COMPED GUIDES

The card vendor's reference shelf.

A small set of master guides. Researched against primary sources, kept current, and written for people who actually work a table.

GUIDE · VENDOR TAXES

The Card Vendor's Master Guide to Taxes

What the IRS thinks you are, what you owe, and the records that keep you safe. Hobby vs business vs investor, the 1099-K, self-employment tax, inventory, trades, and quarterly estimates.

Patrick Manfra · Last reviewed September 3, 2026 · 25 min read

GUIDE · WRITE-OFFS

The Card Vendor's Master Guide to Write-Offs

Every deduction a card vendor can take, category by category, with the record that proves each one, from the mileage log to the retirement lever.

Patrick Manfra · Last reviewed September 3, 2026 · 13 min read

GUIDE · STATE RULES SOON

State by State: Sales Tax and Show Permits for Card Vendors

Permits, rates, thresholds, and resale certificates for selling cards in all 50 states and DC.