ProfitWire vs a spreadsheet for tracking card sales profit
A spreadsheet can hold your card sales. The hard part is keeping cost of goods, eBay fees, buyer-paid shipping and label costs correct on every order — and knowing which rows you can trust at tax time. Here is exactly how the two approaches differ, with no claims about any other product.
Side-by-side
| What you're deciding | Manual spreadsheet | ProfitWire |
|---|---|---|
| Getting sales in | You type each order in by hand from eBay after it sells. | On a paid plan ProfitWire imports your eBay listings, orders and fees. On Free you enter sales manually. |
| Marketplace fees | You look fees up per order, or estimate them with a flat percentage. | Fees come from your imported eBay order and payout data and are applied to the sale they belong to. |
| Multi-item orders | Fixed fees and one shipping label have to be split across lines by hand. | Fixed fees and shipping are allocated across the lines of the order instead of charged to each line. |
| Buyer-paid shipping | Easy to double-count as both income and a cost, or to leave out entirely. | Buyer-paid shipping is treated as income and your label cost as a cost, once each. |
| Cost of goods | A blank or guessed cost column quietly inflates profit. | Recorded acquisition cost is used first. Where no cost was ever recorded, the sale is labelled as using an estimate or flagged for review instead of being treated as free. |
| Knowing which numbers to trust | Nothing tells you which rows are complete and which are guesses. | Financial Confidence scores your data by dollars — verified cost vs estimated vs unresolved — and shows what to fix next. |
| Rips and sealed product | Splitting a box cost across the cards you pulled is manual arithmetic. | RipTracker allocates a rip's cost across the cards it produced (Pro plan). |
| Tax-year reporting | You build the report yourself with formulas each time. | Monthly profit and loss on Seller; quarterly, annual (tax-year) and custom-range reports on Pro, printable or exportable. |
| Listing to eBay | You list on eBay directly. | You list on eBay directly. Creating and publishing listings from ProfitWire is coming soon and is not in any plan yet. |
Where spreadsheets usually go wrong
The three mistakes we see most: a blank cost column treated as $0 profit-free inventory, fixed eBay fees charged in full to every line of a multi-item order, and buyer-paid shipping counted as both income and an expense. Each one moves your reported profit in a direction you would not choose, and none of them announce themselves.
What honest handling of missing cost looks like
Historical records are rarely perfect. ProfitWire never invents a cost and never silently treats an unknown cost as zero. Where an actual cost was recorded, that is used. Where it was not, the sale is shown as using an estimate, or held for review, and the label travels with the number so you always know what you are looking at.
What you keep from your spreadsheet
Nothing stops you exporting. Monthly profit and loss is available on Seller, and quarterly, annual tax-year and custom date-range reports on Pro, all printable or exportable for your own records or your accountant.
Who ProfitWire fits
- You sell trading cards on eBay and want profit after fees, shipping and cost of goods.
- You have inventory whose original cost was never fully recorded.
- You rip sealed product and need cost spread across the cards it produced.
- You want tax-year reporting without rebuilding formulas each year.
When manual spreadsheet is still fine
- • You sell only a handful of cards a year and reconciliation takes minutes.
- • You sell somewhere other than eBay — eBay is the only marketplace ProfitWire imports from today.
- • You need bookkeeping across a whole non-card business; ProfitWire is card-seller specific.
See your real numbers
Start on the Free plan and track inventory and sales manually, or connect eBay on a paid plan to import listings, orders and fees.