A resale workbook for thrift flippers

From thrift find to true profit.

Keep each sourced item connected to what you paid, what it sells for, and the fees along the way. MothMargin puts the resale math in one editable workbook.

Download the free sample workbook (.xlsx)

Complete workbook · $29 one-time

One resale itemFollow the numbers
Sourced item + purchase cost
COST IN
Sale price − marketplace fees
SALE OUT
True profit
WHAT REMAINS

The resale workflow

Follow a find all the way to its margin.

Start with the item you sourced, then record the numbers that show what the sale leaves after its purchase cost and marketplace fees.

  1. 01 / SOURCE

    Log the thrifted item

    Give the find an inventory row and enter its purchase cost while the sourcing details are fresh.

  2. 02 / SELL

    Add the sale and fees

    Record the sale price and marketplace fees. The sample workbook includes editable fee presets and a manual fee override.

  3. 03 / REVIEW

    See the true profit

    See sale price less purchase cost and marketplace fees for each completed resale.

Inside the spreadsheet

Inventory in. Profit in view.

These previews show illustrative sample rows from the workbook. Try the free sample to explore the inventory and editable fee setup.

Illustrative inventory ledger showing sourced thrift items, purchase costs, marketplace fees, sale prices, and true profit.
Inventory ledgerIllustrative sample data

Follow an item from purchase cost through sale and fees.

Illustrative profit results for sourced resale items, showing sale price, purchase cost, marketplace fees, and true profit.
Profit resultsIllustrative sample data

Review what remains after the item cost and marketplace fees.

Marketplace fee presets in the sample are editable estimates, not verified current fee schedules. Check your marketplace account and update the values before relying on them.

Start with your next find

See the workbook behind the numbers.

Download the three-row sample or get the complete editable MothMargin workbook.

Download the free sample workbook (.xlsx)

$29 one-time