How do you match the right pricing model to your business?

There are four ways a processor can price you: flat-rate, tiered, subscription, and interchange-plus. They are not equally transparent and they are not equally cheap, but which one costs you least genuinely depends on two numbers you already know: your average ticket and how many transactions you run. Get those two straight and the right model falls out fast. This guide takes positions, shows the comparison, and points you at the one answer that beats a guess.

How do you choose a credit card processing pricing model?

You choose by matching your average ticket and your monthly transaction count against how each model charges. Percentage-based models, flat-rate and tiered, cost more as your dollar volume rises. Per-transaction and membership models, a flat dime and subscription, cost more as your transaction count rises but do not care how big each sale is. So the question is really whether your cost is driven more by big sales or by many sales.

• High average ticket, low transaction count: a percentage can occasionally win, because a per-transaction fee is small relative to each large sale. Check the math before assuming it.
• Low average ticket, high transaction count: a per-transaction model like a flat dime almost always wins, because a percentage takes a bite out of every one of those many sales.
• Very high transaction count across the board: a subscription can pull ahead of a dime once volume dilutes its monthly fee, usually somewhere near 5,000 transactions a month.
• Any volume where you want to verify the markup: interchange-plus is the only model that shows it, so you can actually check what you are paying.

Which model fits which business?

Here are the positions, stated plainly. Flat-rate fits the brand-new or very small business that values a five-minute signup over a lower bill, and it stops fitting the moment your steady volume climbs. Tiered fits almost nobody on purpose. It exists to hide markup behind buckets the processor controls, and a genuine use case for it is hard to find. Subscription fits genuinely high-volume merchants who can dilute a monthly fee across thousands of sales. Interchange-plus fits everyone who wants to see the markup, and a flat-dime version of it fits most steady retail and service businesses outright.

Interchange is the same wherever you go. The only variable is the markup and whether you are allowed to see it. Three of the four models keep it hidden.

How does average ticket change the answer?

Average ticket changes the answer because a percentage markup scales with sale size while a per-transaction dime does not. Consider two illustrative shops. The first runs 80,000 dollars across about 1,600 transactions on a 2.95 percent effective rate, so a 50-dollar average ticket. Interchange is about 1.95 percent, roughly 1,560 dollars, and the markup is about 800 dollars a month. A flat dime on 1,600 transactions is 160 dollars. The percentage model costs this shop about 640 dollars a month more, because it runs many modest sales.

Now flip it. A business selling a handful of very large tickets, say 30 sales a month at several thousand dollars each, pays a per-transaction dime only 30 times, which is almost nothing, but a percentage markup on those big sales could be substantial or could be thin depending on the rate. This is exactly the case where being straight matters most: if that business already holds a very low effective rate on its big tickets, a dime might not beat it, and the right call is to stay put. A pricing model that only ever argues for itself is not one to trust.

What is the real bottom line?

The real bottom line is that for most steady businesses, interchange-plus with a flat dime is the cheapest and the only one you can verify, but yours is a specific business with specific numbers, and rules of thumb are not the same as your statement. The dime is the markup only. On top of it you pay interchange at cost and one PCI compliance fee billed once a year, disclosed in writing before you sign, with no monthly, statement, batch, or minimum fees and no long-term contract. The dime never goes up, and it can fall as your volume grows.

So do not take our word or a table’s word. The analyzer decides it on your real numbers. Feed it a statement, and it separates your interchange from your markup, compares every model against your actual average ticket and transaction count, and tells you which one costs you least, even when that answer is the one you already have. You can also read the full published pricing at /pricing before you decide.