We didn't set out to build software. We set out to answer one question about our own collection — are we actually making money? — and found that nothing on the market could answer it.
Price guides tell you a card's market value. Marketplaces tell you what it sold for. Neither knows what you paid, what grading cost, what the platform took, what shipping ran you, or that the same card sits in your inventory twice under two different spellings. So the number everyone quotes — "my collection is worth seventy-five grand" — is the one number that has never been checked against a bank account.
When we finally reconciled our own books to the penny, the answer was not the one the spreadsheet had been showing us.
It changed how we buy, what we send for grading, and which platforms we bother listing on. You cannot fix what you have never measured.
Change any number. This is the arithmetic the app runs on every card you own.
That is 33.7% of the sticker price.
Every clip is the real product doing the real thing, start to finish, with no cuts where the hard part would be. The cards and the money are invented — we don't put our own books on a public website — but the screens, the arithmetic and the order of operations are exactly what you get.
A single card followed the entire way: scanned on a phone (AI detection coming soon), valued against sold comps, added with its cost basis, listed and repriced, moved between locations, sold with the platform's cut taken out automatically, and landing in the ledger, the partner waterfall and the tax schedule without anyone retyping a number. About four minutes.
Protection of your cards and their data is important to us. Collection data is treated as personal information: what you own, what you paid and what you earned are yours. We build as though a regulator, an auditor and your accountant will each eventually ask us to prove it — because eventually one of them will.
Illustrative. Every line below is one you would be able to read yourself.
Sign up with an email address and a password, name your organisation, and start adding cards. There is nothing to configure — your dropdowns, locations and chart of accounts arrive ready to use.
Drag to your collection size. The crossover is at 1,000 cards.
Everyone starts on a 7-day free trial, up to 100 cards, no card required.
S&T Card Manager is made by BKCards71, LLC — a small partnership that spent years buying, grading, listing and selling, and could not get a straight answer about whether any of it was working.
We built this for ourselves first. Every feature exists because a real problem cost us real money: the importers exist because reconciling marketplace exports by hand took entire weekends; the integrity checks exist because we found a card that had been sold twice; the partner waterfall exists because several people putting money in at different times is genuinely hard to divide fairly.
Our own collection is customer number one. It always will be.
That matters more than it sounds. We use this every day on a book of record that has to survive an accountant and reconcile to the penny. When something is wrong we find it before you do — because it is our money too.
Grading, shipping both ways, platform fees, sales tax, the return nobody booked. Individually trivial. Collectively decisive.
One tab per year, formulas that quietly stopped copying down in March, and no way to prove any of it at tax time.
Who paid for what, who owns what, who is owed what. Friendships have ended over less.
Most collectors run three or four tools that don't speak to each other: something for the collection, a spreadsheet for the money, marketplace exports nobody reconciles, and an accountant who receives all of it in a shoebox each January. Here, those are the same data.
An image-first view of everything you own — grades, certs, photos, parallels, print runs, asking prices.
A serious grid. Thirty-eight columns, saved views, per-column filters, instant search across thousands of rows.
Cost basis, fees, shipping and net return on every card — computed by the database, never typed by a person.
A real general ledger, P&L, capital waterfall, partner positions, and a tax schedule you can hand over as-is.
Which platforms actually pay. Which grades return their fee. What your projections got wrong.
Drop a file and it identifies itself. eBay, CollX, Card Dealer Pro, PSA — matched to your cards, never applied without you.
Nothing writes without a human approving it. Every importer proposes; a person applies. Blank fields may be pre-ticked, but anything that would replace a value you already have is shown old → new and left unticked. An import may add information. It may never quietly replace good information with worse.
Nothing below is aspirational. Every one of these is running today on a live collection of several thousand cards.
Skip to the one you care about. Same player, same standard.
Point the camera at a card — raw or slabbed. It comes back identified: player, year, set, parallel, and the grade off the label if there is one. No typing, no searching. AI detection is in development — the preview shows how it will work.
Grade-matched sold comps, not asking prices. Outliers trimmed, recent sales weighted heavier, a confidence tier so you know how far to trust it — and the last three sales with links you can open yourself.
Start typing and it finds the card. Enter what you paid and where it came from, attach photos, and it's in. Nothing derived is ever typed by hand.
Thirty-eight columns across identity, status, location, acquisition, grading, costs, valuation and sale. Saved views, a filter on every column, instant search across thousands of rows.
Bulk edit for anything that applies to many cards, and bulk sale for the multi-card order — the total splits proportionally, to the penny, and shows you the split before it writes.
Enter the sale and the platform's fee tiers, shipping and payment method land automatically. Net return is computed in the database — the number you keep, not the number on the listing.
Bought, sent to grading, came back a 9, listed, repriced twice, moved to the safe, sold. One timeline, append-only, so nothing quietly rewrites history.
eBay orders, listings and purchases, CollX, Card Dealer Pro, PSA returns. It works out the format itself and matches rows to your cards by certificate number or weighted title match. Nothing is written until you approve it.
Upload a statement or photograph a receipt. Lines get classified, duplicates are caught across posting-date drift, transfers between your own accounts are ignored, and a multi-item receipt splits one line per item with tax and shipping allocated to the penny.
Profit and loss on a sold-year basis, the capital waterfall showing who advanced what and who's been repaid, partner positions, and a tax schedule you hand over as-is. Plus eighteen integrity checks that find the double-booked sale first.
The settings gear is where you run the business rather than the collection: your dropdown lists — brands, sports, graders, locations, platforms and their fee tiers — all editable and all live, so a change lands on every open screen at once. Alongside them: people and their roles, the integrity checks, the audit trail of who changed what, and export of every field as CSV or every photo as a zip. Nothing there is hardcoded, and nothing there needs us.
Every record carries its owner, and access rules are evaluated by PostgreSQL itself on every single query using restrictive row-level security. A bug in a screen cannot leak another customer's data, because the screen was never the thing standing in the way.
Our staff do not have routine access to your collection. There is no internal dashboard that browses customer cards, because we did not build one.
If you ask for help that requires us to see your data, you issue the grant with a sixteen-character token you control. It is read-only by default, scoped to your organisation, and expires automatically. Every action taken under it is written to an audit log you can read, and you are emailed when a grant opens, when it is used, and when it expires.
Export every field as CSV and every photo as a zip, whenever you like, including if you stop paying us. We would rather earn next month than hold your records hostage.
We will not tell you we are technically incapable of reading your data. Any service that computes your profit, your tax position and your partner balances has to be able to read the numbers in order to compute them — and a vendor claiming otherwise while doing the same arithmetic is telling you something that isn't true.
What we can tell you is this: access is restricted, every use is authorised by you, every action is logged, and the log is yours. We don't claim we can't look. We prove that we don't.
Sign in with an email address and a password — no third-party account required, nothing shared with a social network. Two-factor authentication is available on every account and required for administrators. Password resets are self-service, emailed to the address on the account, single-use and time-limited.
Built to align with the SOC 2 Trust Services Criteria for Security, Availability and Confidentiality: encryption in transit and at rest, least-privilege access, full audit logging and a documented incident-response process. Formal attestation will follow customer demand — we would rather build the controls and then certify them than certify first and retrofit.
Subprocessors, data residency, retention periods and deletion requests are documented and published. Ask and we will send the list before you sign anything.
Up to 100 cards. No card required.
Up to 1,000 cards.
Unlimited cards.
By invitation, limited seats.
Cross 1,000 cards and we move you to Dealer — prorated, and we tell you before it happens, never after. Drop back under and you move back down.
Nothing is deleted. Your records are your tax position, and destroying them over a failed card would be indefensible. Your account becomes read-only, and you keep your ledger and your export.
| Account state | Ledger | Everything else | Export |
|---|---|---|---|
| Trialing | Full | Full, within trial limits | Yes |
| Active | Full | Full | Yes |
| Past due (14-day grace) | Full | Full, with a reminder | Yes |
| Suspended | View only — search, sort and filter still work | Blocked | Yes |
| Closed (you asked) | — | — | Final export, then deletion |
Reactivating is one click with a card on file, and everything returns exactly as you left it.
Three rules the product is built on. They cost us features. We keep them anyway.
Every derived figure is computed, never typed. Numbers people key in are numbers that drift.
An import may add what is missing. It may never overwrite something accurate with something worse.
A feature that produces a number ships when that number matches reality to the penny. Not before.
There is no support tier and no ticket queue. Email reaches the people who wrote the code.
Ask us for the subprocessor list, the retention policy, or a walk-through on your own data. We would rather answer hard questions before you sign up than after.