diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 8e97fa00c..fbd69f579 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -100,8 +100,8 @@ DATABASE_URL=trilogy://user:password@host:port/database?encoding=utf8mb4&collati
 
 - Running mise should have run `rake db:seed`
   - This will populate the basic data needed to use the app
-- To add more sample data for development, run `rake db:dev:seed`
-  - This will add sample workshops, community news, stories, resources, FAQs, and more
+- To add more sample data for development, run `rake db:seed:dev`
+  - This will add sample workshops, community news, stories, resources, FAQs, payments, and more
 - To see your data
   - The home page will show Workshops, CommunityNews, Resources, Events, and Stories
   - The [Admin Home](http://localhost:3000/admin) provides CRUD access for most models
diff --git a/db/seeds.rb b/db/seeds.rb
index 974c1e0f4..87612402c 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -1,10 +1,6 @@
 # Disable email delivery during seeding
 ActionMailer::Base.perform_deliveries = false
 
-def seed(file)
-  require_relative "seeds/#{file}"
-end
-
 puts "Creating Users…"
 
 # Helper: case-insensitive find-or-create by name
@@ -488,5 +484,3 @@ def find_or_create_by_name!(klass, name, **attrs, &block)
   end
   cat.update!(published: true) unless cat.published?
 end
-
-seed "payments"
diff --git a/db/seeds/dummy_dev_seeds.rb b/db/seeds/dev/dummy.rb
similarity index 96%
rename from db/seeds/dummy_dev_seeds.rb
rename to db/seeds/dev/dummy.rb
index 4ca1e5724..d4c1a4e80 100644
--- a/db/seeds/dummy_dev_seeds.rb
+++ b/db/seeds/dev/dummy.rb
@@ -1502,91 +1502,6 @@
   end
 end
 
-puts "Creating Scholarships, Payments, and Allocations…"
-# Gives the paid dev events real money + scholarship records so the event
-# overview dashboard (registrants / received / outstanding / scholarships)
-# shows meaningful numbers. Registrations and applications (registration-form
-# submissions) are created above; this fills in the financial side.
-#
-# Each registration is funded at most once — the guard skips any registration
-# that already has allocations, so the section is safe to re-run.
-
-org_payer = Organization.find_by(name: "Angel Step Inn")
-
-# Mirrors ScholarshipsController: build the scholarship with a $0 allocation,
-# then set the amount + tasks_completed so sync_allocation_amount funds the
-# allocation only when the recipient's tasks are complete.
-award_scholarship = ->(registration, amount_cents:, tasks_completed:) do
-  scholarship = Scholarship.new(recipient: registration.registrant)
-  scholarship.build_allocation(allocatable: registration, amount: 0)
-  scholarship.save!
-  scholarship.update!(amount_cents: amount_cents, tasks_completed: tasks_completed)
-  scholarship
-end
-
-# payer is a Person or an Organization; kind is :cash or :check.
-record_payment = ->(registration, payer:, amount_cents:, kind: :cash) do
-  payer_attrs = payer.is_a?(Organization) ? { organization: payer } : { person: payer }
-  created_at = rand(3..30).days.ago
-  payment = case kind
-  when :check
-    CheckPayment.create!(**payer_attrs, amount_cents: amount_cents, check_number: "CHK-#{rand(10_000..99_999)}", created_at: created_at)
-  else
-    CashPayment.create!(**payer_attrs, amount_cents: amount_cents, created_at: created_at)
-  end
-  Allocation.create!(source: payment, allocatable: registration, amount: amount_cents, created_at: created_at)
-end
-
-# Funds a registration once. `scholarship` and `payments` describe what to build.
-fund_registration = ->(event, person, scholarship: nil, payments: []) do
-  return unless event && person
-  registration = EventRegistration.find_by(event: event, registrant: person)
-  return unless registration
-  return if registration.allocations.exists?
-
-  award_scholarship.(registration, **scholarship) if scholarship
-  payments.each { |payment| record_payment.(registration, **payment) }
-end
-
-# --- AWBW Facilitator Training ($150) ---
-# Amy: pending scholarship (tasks incomplete → $0 allocated) + partial cash → still owes
-fund_registration.(facilitator_training, amy_person,
-  scholarship: { amount_cents: 10_000, tasks_completed: false },
-  payments: [ { payer: amy_person, amount_cents: 5_000, kind: :cash } ])
-# Maria: paid in full by cash
-fund_registration.(facilitator_training, maria_j,
-  payments: [ { payer: maria_j, amount_cents: 15_000, kind: :cash } ])
-# Anna: paid in full by check from her organization (org-payer scenario)
-fund_registration.(facilitator_training, anna_g,
-  payments: [ { payer: org_payer || anna_g, amount_cents: 15_000, kind: :check } ])
-# Mario: partial cash → still owes
-fund_registration.(facilitator_training, mario_j,
-  payments: [ { payer: mario_j, amount_cents: 5_000, kind: :cash } ])
-
-# --- Facilitator Training: Trauma-Informed Art Practices ($120) ---
-# Sarah: paid in full by check
-fund_registration.(trauma_training, sarah_s,
-  payments: [ { payer: sarah_s, amount_cents: 12_000, kind: :check } ])
-# Jessica: completed scholarship ($80) + cash for the remainder → paid in full
-fund_registration.(trauma_training, jessica_b,
-  scholarship: { amount_cents: 8_000, tasks_completed: true },
-  payments: [ { payer: jessica_b, amount_cents: 4_000, kind: :cash } ])
-# Angel: partial cash → still owes
-fund_registration.(trauma_training, angel_g,
-  payments: [ { payer: angel_g, amount_cents: 6_000, kind: :cash } ])
-
-# --- Mindful Art for Survivors Workshop ($50) ---
-# Amy: paid in full by cash
-fund_registration.(mindful_art, amy_person,
-  payments: [ { payer: amy_person, amount_cents: 5_000, kind: :cash } ])
-
-[ facilitator_training, trauma_training, mindful_art ].compact.each do |event|
-  dashboard = EventDashboard.new(event)
-  puts "  #{event.title}: #{dashboard.registrant_count} registrants, " \
-       "received #{dashboard.received_cents / 100.0}, outstanding #{dashboard.outstanding_cents / 100.0}, " \
-       "scholarships #{dashboard.scholarship_total_cents / 100.0} (#{dashboard.scholarship_recipient_count})"
-end
-
 puts "Creating Resources…"
 10.times do |i|
   kind = Resource::PUBLISHED_KINDS.sample
diff --git a/db/seeds/dev/payments.rb b/db/seeds/dev/payments.rb
new file mode 100644
index 000000000..88107f15e
--- /dev/null
+++ b/db/seeds/dev/payments.rb
@@ -0,0 +1,278 @@
+# Payment seeds (dev-only) - run on their own via `rake db:seed:payments`, or
+# as part of `rake db:seed:dev`.
+
+puts "Seeding Payments, Allocations, and Refunds..."
+
+payment_ids_start = Payment.maximum(:id) || 0
+allocation_ids_start = Allocation.maximum(:id) || 0
+refund_ids_start = Refund.maximum(:id) || 0
+event_reg_ids_start = EventRegistration.maximum(:id) || 0
+
+Refund.where("id > ?", refund_ids_start).delete_all
+Allocation.where("id > ?", allocation_ids_start).delete_all
+Payment.where("id > ?", payment_ids_start).delete_all
+EventRegistration.where("id > ?", event_reg_ids_start).delete_all
+
+event_cost_cents = 150000
+
+bob = Person.find_or_create_by!(email: "bob.payment@seed.example.com") do |p|
+  p.first_name = "Bob"
+  p.last_name = "Barker"
+end
+
+alice = Person.find_or_create_by!(email: "alice.payment@seed.example.com") do |p|
+  p.first_name = "Alice"
+  p.last_name = "Test"
+end
+
+charlie = Person.find_or_create_by!(email: "charlie.payment@seed.example.com") do |p|
+  p.first_name = "Charlie"
+  p.last_name = "Test"
+end
+
+diana = Person.find_or_create_by!(email: "diana.payment@seed.example.com") do |p|
+  p.first_name = "Diana"
+  p.last_name = "Test"
+end
+
+eve = Person.find_or_create_by!(email: "eve.payment@seed.example.com") do |p|
+  p.first_name = "Eve"
+  p.last_name = "Test"
+end
+
+frank = Person.find_or_create_by!(email: "frank.payment@seed.example.com") do |p|
+  p.first_name = "Frank"
+  p.last_name = "Test"
+end
+
+gary = Person.find_or_create_by!(email: "gary.payment@seed.example.com") do |p|
+  p.first_name = "Gary"
+  p.last_name = "Test"
+end
+
+holly = Person.find_or_create_by!(email: "holly.payment@seed.example.com") do |p|
+  p.first_name = "Holly"
+  p.last_name = "Test"
+end
+
+iris = Person.find_or_create_by!(email: "iris.payment@seed.example.com") do |p|
+  p.first_name = "Iris"
+  p.last_name = "Test"
+end
+
+event = Event.find_or_create_by!(title: "Test Payments Workshop") do |e|
+  e.start_date = 1.month.from_now.to_date
+  e.end_date = 1.month.from_now.to_date + 2.days
+  e.published = true
+  e.cost_cents = event_cost_cents
+end
+event.update!(start_date: 1.month.from_now.to_date, end_date: 1.month.from_now.to_date + 2.days, published: true, cost_cents: event_cost_cents)
+
+reg_bob = EventRegistration.find_or_create_by!(registrant: bob, event: event)
+reg_alice = EventRegistration.find_or_create_by!(registrant: alice, event: event)
+reg_charlie = EventRegistration.find_or_create_by!(registrant: charlie, event: event)
+reg_diana = EventRegistration.find_or_create_by!(registrant: diana, event: event)
+reg_eve = EventRegistration.find_or_create_by!(registrant: eve, event: event)
+reg_frank = EventRegistration.find_or_create_by!(registrant: frank, event: event)
+reg_gary = EventRegistration.find_or_create_by!(registrant: gary, event: event)
+reg_iris = EventRegistration.find_or_create_by!(registrant: iris, event: event)
+
+puts "  Payment made but allocation reverted)"
+payment1 = CashPayment.find_or_create_by!(
+  person: bob,
+  amount_cents: event_cost_cents
+) do |p|
+  p.created_at = 5.days.ago
+end
+original_allocation1 = Allocation.create!(
+  source: payment1,
+  allocatable: reg_bob,
+  amount: event_cost_cents,
+  created_at: 5.days.ago
+)
+reversal_allocation1 = Allocation.create!(
+  source: payment1,
+  allocatable: reg_bob,
+  amount: -event_cost_cents,
+  created_at: 4.days.ago
+)
+original_allocation1.update!(reverted_id: reversal_allocation1.id)
+
+puts "  Overpayment with full allocation (Alice pays $6000, covers 4 people)"
+payment2 = CashPayment.find_or_create_by!(
+  person: alice,
+  amount_cents: 600000
+) do |p|
+  p.created_at = 4.days.ago
+end
+Allocation.find_or_create_by!(source: payment2, allocatable: reg_alice, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
+Allocation.find_or_create_by!(source: payment2, allocatable: reg_charlie, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
+Allocation.find_or_create_by!(source: payment2, allocatable: reg_diana, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
+Allocation.find_or_create_by!(source: payment2, allocatable: reg_eve, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
+
+puts "  Payment with remaining available ($2000 payment, $1500 allocated, $500 remaining)"
+payment3 = CashPayment.find_or_create_by!(
+  person: frank,
+  amount_cents: 200000
+) do |p|
+  p.created_at = 3.days.ago
+end
+Allocation.find_or_create_by!(
+  source: payment3,
+  allocatable: reg_frank,
+  amount: 150000
+) do |a|
+  a.created_at = 3.days.ago
+end
+
+puts "  Full refund ($1500 payment, fully allocated, fully refunded)"
+payment4 = CashPayment.find_or_create_by!(
+  person: gary,
+  amount_cents: event_cost_cents
+) do |p|
+  p.created_at = 2.days.ago
+end
+original_alloc = Allocation.create!(
+  source: payment4,
+  allocatable: reg_gary,
+  amount: event_cost_cents,
+  created_at: 2.days.ago
+)
+reversal_alloc = Allocation.create!(
+  source: payment4,
+  allocatable: reg_gary,
+  amount: -event_cost_cents,
+  created_at: 1.day.ago
+)
+original_alloc.update!(reverted_id: reversal_alloc.id)
+Refund.create!(
+  refundable: payment4,
+  recipient: gary,
+  amount_cents: event_cost_cents,
+  method: "check",
+  created_at: 1.day.ago
+)
+
+puts "  Creating Scenario 8: Payment with no allocations ($10000, full amount remaining)"
+CashPayment.find_or_create_by!(
+  person: holly,
+  amount_cents: 1000000
+) do |p|
+  p.created_at = 7.days.ago
+end
+
+puts "  Partial payment"
+payment9 = CashPayment.find_or_create_by!(
+  person: iris,
+  amount_cents: 100000
+) do |p|
+  p.created_at = 3.days.ago
+end
+Allocation.find_or_create_by!(
+  source: payment9,
+  allocatable: reg_iris,
+  amount: 100000
+) do |a|
+  a.created_at = 3.days.ago
+end
+
+puts "Creating Scholarships, Payments, and Allocations for dev events…"
+# Funds registrations on the paid dev events with real money + scholarship
+# records so the event overview dashboard (registrants / received / outstanding
+# / scholarships) shows meaningful numbers. The events, people, and registrations
+# are created in db/seeds/dev/dummy.rb, so this only fills in the financial side
+# when the dummy seeds have already run (e.g. via `rake db:seed:dev`); on its own
+# `rake db:seed:payments` simply skips events that aren't present.
+#
+# Each registration is funded at most once — the guard skips any registration
+# that already has allocations, so the section is safe to re-run.
+
+amy_person = User.find_by(email: "amy.user@example.com")&.person
+maria_j = Person.find_by(first_name: "Maria", last_name: "Johnson")
+anna_g = Person.find_by(first_name: "Anna", last_name: "Garcia")
+sarah_s = Person.find_by(first_name: "Sarah", last_name: "Smith")
+jessica_b = Person.find_by(first_name: "Jessica", last_name: "Brown")
+mario_j = Person.find_by(first_name: "Mario", last_name: "Johnson")
+angel_g = Person.find_by(first_name: "Angel", last_name: "Garcia")
+
+facilitator_training = Event.find_by(title: "AWBW Facilitator Training")
+trauma_training = Event.find_by(title: "Facilitator Training: Trauma-Informed Art Practices")
+mindful_art = Event.find_by(title: "Mindful Art for Survivors Workshop")
+
+org_payer = Organization.find_by(name: "Angel Step Inn")
+
+# Mirrors ScholarshipsController: build the scholarship with a $0 allocation,
+# then set the amount + tasks_completed so sync_allocation_amount funds the
+# allocation only when the recipient's tasks are complete.
+award_scholarship = ->(registration, amount_cents:, tasks_completed:) do
+  scholarship = Scholarship.new(recipient: registration.registrant)
+  scholarship.build_allocation(allocatable: registration, amount: 0)
+  scholarship.save!
+  scholarship.update!(amount_cents: amount_cents, tasks_completed: tasks_completed)
+  scholarship
+end
+
+# payer is a Person or an Organization; kind is :cash or :check.
+record_payment = ->(registration, payer:, amount_cents:, kind: :cash) do
+  payer_attrs = payer.is_a?(Organization) ? { organization: payer } : { person: payer }
+  created_at = rand(3..30).days.ago
+  payment = case kind
+  when :check
+    CheckPayment.create!(**payer_attrs, amount_cents: amount_cents, check_number: "CHK-#{rand(10_000..99_999)}", created_at: created_at)
+  else
+    CashPayment.create!(**payer_attrs, amount_cents: amount_cents, created_at: created_at)
+  end
+  Allocation.create!(source: payment, allocatable: registration, amount: amount_cents, created_at: created_at)
+end
+
+# Funds a registration once. `scholarship` and `payments` describe what to build.
+fund_registration = ->(event, person, scholarship: nil, payments: []) do
+  return unless event && person
+  registration = EventRegistration.find_by(event: event, registrant: person)
+  return unless registration
+  return if registration.allocations.exists?
+
+  award_scholarship.(registration, **scholarship) if scholarship
+  payments.each { |payment| record_payment.(registration, **payment) }
+end
+
+# --- AWBW Facilitator Training ($150) ---
+# Amy: pending scholarship (tasks incomplete → $0 allocated) + partial cash → still owes
+fund_registration.(facilitator_training, amy_person,
+  scholarship: { amount_cents: 10_000, tasks_completed: false },
+  payments: [ { payer: amy_person, amount_cents: 5_000, kind: :cash } ])
+# Maria: paid in full by cash
+fund_registration.(facilitator_training, maria_j,
+  payments: [ { payer: maria_j, amount_cents: 15_000, kind: :cash } ])
+# Anna: paid in full by check from her organization (org-payer scenario)
+fund_registration.(facilitator_training, anna_g,
+  payments: [ { payer: org_payer || anna_g, amount_cents: 15_000, kind: :check } ])
+# Mario: partial cash → still owes
+fund_registration.(facilitator_training, mario_j,
+  payments: [ { payer: mario_j, amount_cents: 5_000, kind: :cash } ])
+
+# --- Facilitator Training: Trauma-Informed Art Practices ($120) ---
+# Sarah: paid in full by check
+fund_registration.(trauma_training, sarah_s,
+  payments: [ { payer: sarah_s, amount_cents: 12_000, kind: :check } ])
+# Jessica: completed scholarship ($80) + cash for the remainder → paid in full
+fund_registration.(trauma_training, jessica_b,
+  scholarship: { amount_cents: 8_000, tasks_completed: true },
+  payments: [ { payer: jessica_b, amount_cents: 4_000, kind: :cash } ])
+# Angel: partial cash → still owes
+fund_registration.(trauma_training, angel_g,
+  payments: [ { payer: angel_g, amount_cents: 6_000, kind: :cash } ])
+
+# --- Mindful Art for Survivors Workshop ($50) ---
+# Amy: paid in full by cash
+fund_registration.(mindful_art, amy_person,
+  payments: [ { payer: amy_person, amount_cents: 5_000, kind: :cash } ])
+
+[ facilitator_training, trauma_training, mindful_art ].compact.each do |event|
+  dashboard = EventDashboard.new(event)
+  puts "  #{event.title}: #{dashboard.registrant_count} registrants, " \
+       "received #{dashboard.received_cents / 100.0}, outstanding #{dashboard.outstanding_cents / 100.0}, " \
+       "scholarships #{dashboard.scholarship_total_cents / 100.0} (#{dashboard.scholarship_recipient_count})"
+end
+
+puts "  Payment seeds complete!"
diff --git a/db/seeds/payments.rb b/db/seeds/payments.rb
deleted file mode 100644
index f946bffd2..000000000
--- a/db/seeds/payments.rb
+++ /dev/null
@@ -1,179 +0,0 @@
-  # Payment seeds - can be run independently
-  # Usage:  "rails runner db/seeds/payments.rb"
-
-  puts "Seeding Payments, Allocations, and Refunds..."
-
-  payment_ids_start = Payment.maximum(:id) || 0
-  allocation_ids_start = Allocation.maximum(:id) || 0
-  refund_ids_start = Refund.maximum(:id) || 0
-  event_reg_ids_start = EventRegistration.maximum(:id) || 0
-
-  Refund.where("id > ?", refund_ids_start).delete_all
-  Allocation.where("id > ?", allocation_ids_start).delete_all
-  Payment.where("id > ?", payment_ids_start).delete_all
-  EventRegistration.where("id > ?", event_reg_ids_start).delete_all
-
-  event_cost_cents = 150000
-
-  bob = Person.find_or_create_by!(email: "bob.payment@seed.example.com") do |p|
-    p.first_name = "Bob"
-    p.last_name = "Barker"
-  end
-
-  alice = Person.find_or_create_by!(email: "alice.payment@seed.example.com") do |p|
-    p.first_name = "Alice"
-    p.last_name = "Test"
-  end
-
-  charlie = Person.find_or_create_by!(email: "charlie.payment@seed.example.com") do |p|
-    p.first_name = "Charlie"
-    p.last_name = "Test"
-  end
-
-  diana = Person.find_or_create_by!(email: "diana.payment@seed.example.com") do |p|
-    p.first_name = "Diana"
-    p.last_name = "Test"
-  end
-
-  eve = Person.find_or_create_by!(email: "eve.payment@seed.example.com") do |p|
-    p.first_name = "Eve"
-    p.last_name = "Test"
-  end
-
-  frank = Person.find_or_create_by!(email: "frank.payment@seed.example.com") do |p|
-    p.first_name = "Frank"
-    p.last_name = "Test"
-  end
-
-  gary = Person.find_or_create_by!(email: "gary.payment@seed.example.com") do |p|
-    p.first_name = "Gary"
-    p.last_name = "Test"
-  end
-
-  holly = Person.find_or_create_by!(email: "holly.payment@seed.example.com") do |p|
-    p.first_name = "Holly"
-    p.last_name = "Test"
-  end
-
-  iris = Person.find_or_create_by!(email: "iris.payment@seed.example.com") do |p|
-    p.first_name = "Iris"
-    p.last_name = "Test"
-  end
-
-  event = Event.find_or_create_by!(title: "Test Payments Workshop") do |e|
-    e.start_date = 1.month.from_now.to_date
-    e.end_date = 1.month.from_now.to_date + 2.days
-    e.published = true
-    e.cost_cents = event_cost_cents
-  end
-  event.update!(start_date: 1.month.from_now.to_date, end_date: 1.month.from_now.to_date + 2.days, published: true, cost_cents: event_cost_cents)
-
-  reg_bob = EventRegistration.find_or_create_by!(registrant: bob, event: event)
-  reg_alice = EventRegistration.find_or_create_by!(registrant: alice, event: event)
-  reg_charlie = EventRegistration.find_or_create_by!(registrant: charlie, event: event)
-  reg_diana = EventRegistration.find_or_create_by!(registrant: diana, event: event)
-  reg_eve = EventRegistration.find_or_create_by!(registrant: eve, event: event)
-  reg_frank = EventRegistration.find_or_create_by!(registrant: frank, event: event)
-  reg_gary = EventRegistration.find_or_create_by!(registrant: gary, event: event)
-  reg_iris = EventRegistration.find_or_create_by!(registrant: iris, event: event)
-
-  puts "  Payment made but allocation reverted)"
-  payment1 = CashPayment.find_or_create_by!(
-    person: bob,
-    amount_cents: event_cost_cents
-  ) do |p|
-    p.created_at = 5.days.ago
-  end
-  original_allocation1 = Allocation.create!(
-    source: payment1,
-    allocatable: reg_bob,
-    amount: event_cost_cents,
-    created_at: 5.days.ago
-  )
-  reversal_allocation1 = Allocation.create!(
-    source: payment1,
-    allocatable: reg_bob,
-    amount: -event_cost_cents,
-    created_at: 4.days.ago
-  )
-  original_allocation1.update!(reverted_id: reversal_allocation1.id)
-
-  puts "  Overpayment with full allocation (Alice pays $6000, covers 4 people)"
-  payment2 = CashPayment.find_or_create_by!(
-    person: alice,
-    amount_cents: 600000
-  ) do |p|
-    p.created_at = 4.days.ago
-  end
-  Allocation.find_or_create_by!(source: payment2, allocatable: reg_alice, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
-  Allocation.find_or_create_by!(source: payment2, allocatable: reg_charlie, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
-  Allocation.find_or_create_by!(source: payment2, allocatable: reg_diana, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
-  Allocation.find_or_create_by!(source: payment2, allocatable: reg_eve, amount: event_cost_cents) { |a| a.created_at = 4.days.ago }
-
-  puts "  Payment with remaining available ($2000 payment, $1500 allocated, $500 remaining)"
-  payment3 = CashPayment.find_or_create_by!(
-    person: frank,
-    amount_cents: 200000
-  ) do |p|
-    p.created_at = 3.days.ago
-  end
-  Allocation.find_or_create_by!(
-    source: payment3,
-    allocatable: reg_frank,
-    amount: 150000
-  ) do |a|
-    a.created_at = 3.days.ago
-  end
-
-  puts "  Full refund ($1500 payment, fully allocated, fully refunded)"
-  payment4 = CashPayment.find_or_create_by!(
-    person: gary,
-    amount_cents: event_cost_cents
-  ) do |p|
-    p.created_at = 2.days.ago
-  end
-  original_alloc = Allocation.create!(
-    source: payment4,
-    allocatable: reg_gary,
-    amount: event_cost_cents,
-    created_at: 2.days.ago
-  )
-  reversal_alloc = Allocation.create!(
-    source: payment4,
-    allocatable: reg_gary,
-    amount: -event_cost_cents,
-    created_at: 1.day.ago
-  )
-  original_alloc.update!(reverted_id: reversal_alloc.id)
-  Refund.create!(
-    refundable: payment4,
-    recipient: gary,
-    amount_cents: event_cost_cents,
-    method: "check",
-    created_at: 1.day.ago
-  )
-
-  puts "  Creating Scenario 8: Payment with no allocations ($10000, full amount remaining)"
-  CashPayment.find_or_create_by!(
-    person: holly,
-    amount_cents: 1000000
-  ) do |p|
-    p.created_at = 7.days.ago
-  end
-
-  puts "  Partial payment"
-  payment9 = CashPayment.find_or_create_by!(
-    person: iris,
-    amount_cents: 100000
-  ) do |p|
-    p.created_at = 3.days.ago
-  end
-  Allocation.find_or_create_by!(
-    source: payment9,
-    allocatable: reg_iris,
-    amount: 100000
-  ) do |a|
-    a.created_at = 3.days.ago
-  end
-
-  puts "  Payment seeds complete!"
diff --git a/lib/tasks/dev.rake b/lib/tasks/dev.rake
index ed649734d..b64fdc035 100644
--- a/lib/tasks/dev.rake
+++ b/lib/tasks/dev.rake
@@ -1,8 +1,16 @@
 namespace :db do
-  namespace :dev do
-    desc "Generate dev seed data"
-    task seed: [ :environment, "db:seed" ] do
-      load Rails.root.join("db/seeds/dummy_dev_seeds.rb")
+  namespace :seed do
+    desc "Generate representative sample data for development"
+    task dev: [ :environment, "db:seed", "db:seed:dummy", "db:seed:payments" ]
+
+    desc "Seed generic dummy dev data (workshops, people, stories, etc.)"
+    task dummy: :environment do
+      load Rails.root.join("db/seeds/dev/dummy.rb")
+    end
+
+    desc "Seed sample payments, allocations, and refunds (dev only)"
+    task payments: :environment do
+      load Rails.root.join("db/seeds/dev/payments.rb")
     end
   end
 end