iOS App
Know your max buy price before you make the offer.
Max Buy is a fast card show buying calculator for sports card resellers. Enter the asking price, recent comp, fees, shipping, and desired margin. Get a clear Buy, Pass, or Negotiate result before spending money.
What it does
Max Buy turns the math you already do in your head into a fast, repeatable decision. Enter an asking price, a recent comp, your selling fee percentage, shipping, other costs, and your desired margin. The app calculates the max you can pay, your expected profit, your ROI, and gives you a Buy, Pass, or Negotiate result.
Who it's for
Sports card resellers buying at card shows, shops, and meetups who want a quick gut-check before making an offer. Built for people who already know their market and just want the math out of the way.
How it works
- Enter the seller's asking price.
- Enter your recent comp for the card.
- Enter your selling fee percentage, shipping, and any other costs.
- Set your desired profit margin.
- See your max buy price, expected profit, ROI, and a Buy / Pass / Negotiate result.
Key features
- Calculate max buy price
- Estimate selling fees and shipping costs
- Set desired profit margin
- View expected profit and ROI
- Get Buy / Pass / Negotiate result
- Save deal decisions locally
- Use presets for faster show-floor decisions
Important note about comps
Max Buy does not provide live card values and does not scrape marketplace data. You enter your own recent comp data based on your research. The accuracy of the result depends on the accuracy of the comp you provide.
Disclaimer
Max Buy does not provide card values, investment advice, financial advice, or guaranteed profit calculations. Users are responsible for entering their own comp data and making their own buying decisions.
Support
Questions or issues? Visit the support page for contact info and common questions.