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Tool Resale Calculator

Work out what a single tool really earns you. Enter the sale price and your costs to see net after fees, profit, margin, return on cost, break-even price and the most you should pay for the tool.

What the tool cost you

Battery, chuck, cord, brushes

Postage plus box and padding

Cleaning supplies, labels, fuel

Marketplace fees

$15.60

Net after fees

$90.40

Sale price minus fees and shipping

Your costs

$62.00

Purchase plus repairs and extras

Profit

$28.40

Profit margin

24%

Return on cost

46%

Break-even sale price

$87.36

List below this and you lose money

Max to pay for the tool

$73.40

Highest purchase price that still breaks even

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Not sure what a tool sells for? The AI product scanner researches resale prices for you.

The formula

  • Marketplace fees = sale price × fee rate.
  • Net after fees = sale price − fees − shipping.
  • Profit = net after fees − purchase cost − repair cost − other costs.
  • Margin = profit ÷ sale price. Return on cost = profit ÷ your costs.
  • Break-even sale price = (costs + shipping) ÷ (1 − fee rate).

Net after fees and profit are deliberately shown separately. Net after fees tells you what the marketplace pays out; profit tells you whether the flip was worth doing. Sellers who track only the payout tend to believe low-margin items are performing better than they are.

Calculator questions

What is net after fees?

Sale price minus marketplace fees and shipping — the money that actually reaches you before your own costs. It is separate from profit, which also subtracts what the item cost you to buy and repair.

How do I work out profit on a resold tool?

Profit = sale price − selling fees − shipping − other expenses − purchase cost − repair cost. For example a $75 sale with $7 fees, $8 shipping and a $40 purchase cost gives $60 net after fees and $20 profit.

What is my break-even sale price?

The lowest price you can accept without losing money: your costs plus shipping, divided by one minus the fee rate. Knowing it before you negotiate stops a quick sale from becoming a loss.

How much should I pay for a tool to resell?

At most your net after fees minus repair and other costs — that is your break-even purchase price. Subtract the profit you want from that figure and you have a firm ceiling to buy under.

Keep reading

Tool flipping guideIdentify and price used tools accurately before you calculate.How to flip toolsThe eight-step routine from sourcing to sold.AI product scannerGet resale price estimates without hunting comparables yourself.Pallet profit calculatorThe same maths for a whole liquidation pallet.

Keep every item's numbers in one place

FlipForge records purchase cost, repairs, fees and shipping per item, then reports real profit automatically.

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