Build the cost stack
Separate product, inbound, marketplace, fulfilment and operating layers.
Model / Entry to intermediate
A structured planning workbook for tracing sale price through product, logistics, marketplace and operating cost layers.
Record 01 / What you receive
Editable unit economics workbook
Fee and assumption register
Scenario comparison sheet
Sensitivity and break-even prompts
Cost verification checklist
Record 02 / Learning sequence
Separate product, inbound, marketplace, fulfilment and operating layers.
Label the source, currency, date and confidence of every input.
Test changes in price, returns, advertising, freight and storage.
Identify which uncertain costs can overturn the commercial picture.
Turn modelling gaps into questions for official sources and advisers.
Record 03 / Requirements
Record 04 / Boundaries
Order record / 02
Review the product facts, policies and digital-supply terms before proceeding.