What should a small shop decide before it picks a card processor?

Summary

Your average sale, first. Every flat-rate plan adds a fixed amount to each payment, so the cheapest provider for an $8 coffee order is not the cheapest for a $60 haircut. After that, settle how you will pay for hardware, and what a month with no sales and a single chargeback will cost you.

Your average sale picks the cheapest flat rate

Run the published US in-person rates on two sale sizes:

$8 sale $60 sale Stripe Terminal $0.27 (3.33%) $1.67 (2.78%) PayPal Point of Sale $0.27 (3.42%) $1.46 (2.44%) SumUp or Chase $0.31 (3.85%) $1.66 (2.77%) Square Free $0.36 (4.48%) $1.71 (2.85%)

Stripe charges 2.7% plus 5 cents and PayPal 2.29% plus 9 cents, so Stripe wins on small sales and PayPal on larger ones. They cost exactly the same at $9.76. SumUp and Chase both charge 2.6% plus 10 cents. Square Free's 15-cent fee turns its 2.6% into 4.48% on an $8 sale.

Hardware: pay once or pay monthly

DevicePrice
PayPal card reader$29 for the first, $79 for each one after
Square Reader (contactless and chip)$59
Stripe Reader M2$59
Helcim Card Reader$199 plus shipping
PayPal Terminal$199
Stripe Reader S700$299
Square Terminal$299, or $27 a month for 12 months

Paying for the Square Terminal monthly adds up to $324, $25 more than buying it outright, at a 15% APR. Chase's published rates cover processing only, and its hardware is sold separately.

What a month with no sales costs

Square Free and SumUp's Free plan charge $0 a month; you pay only when you take a payment. SumUp adds that it has no monthly minimums. Square Plus is $49 a month per location, and Square lets you cancel or switch plans at any time. SumUp's POS Plus is $49 a month. Helcim has no monthly fee, no contract, and no cancellation fee.

What one chargeback costs

A chargeback is a customer disputing the payment with their card issuer. What the provider charges you for one differs a lot:

Sources

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Written by Kaz (pen name). Figures are copied from providers' published pricing pages on the dates shown. We have not used these products. Corrections: contact form.