TL;DR
- Startslice’s Dual Pricing Program charges the merchant 0% in processing fees. Card-paying customers cover the cost through a card price displayed before they pay, so you keep your full margin.
- Square, Stripe, and PayPal charge 2.3% to 2.9% plus per-transaction fees on every swipe, with no way to opt out of eating that cost yourself.
- Startslice settles next day, has no monthly fee, and locks you into no long-term contract.
- Dual pricing is legal in all 50 states, unlike surcharging, which stays restricted in 10.
What Zero-Cost Processing Actually Means
Zero-cost processing means the merchant pays 0% in card processing fees because the cost shifts to the card-paying customer through dual pricing. Dual pricing displays two prices on every item before checkout, a lower price for cash or debit and a slightly higher price for credit cards. The customer sees both prices upfront and chooses which one to pay.
Dual pricing differs from surcharging. Surcharging adds a fee on top of one advertised price at the register, while dual pricing shows both prices from the start, so the card price is never a surprise (strictlyzero.com).
At the register, the point-of-sale system displays the cash price and the card price for each item. A customer who pays cash or debit pays the lower amount, and a customer who pays credit pays the card price that covers the processing cost. You keep your full margin either way, because the fee never comes out of your revenue.
Why Standard Processors Keep Eating Your Margin
A flat-rate processor charges the same percentage on every sale, and that percentage compounds fast as your revenue grows. At Stripe’s in-person rate of 2.7% plus $0.05, $10,000 in monthly card sales costs you around $270. Push that to $50,000 and you hand over roughly $1,350 a month. At $100,000, you lose about $2,700 every single month, or more than $32,000 a year, before a single chargeback or keyed-in transaction inflates the bill.
PayPal and Square sit in the same range, with online rates near 2.9% plus a fixed per-transaction fee. PayPal’s headline 2.9% climbs past 3% the moment a customer pays through PayPal or Venmo, and international cards can top 7%.
The rate is not the real problem. The structure is. Every flat-rate processor takes a cut of each swipe, and none of them give you a way to opt out. You can shop for a slightly lower percentage, but you cannot escape paying one. That fixed cost per sale is exactly what dual pricing removes.
Startslice Dual Pricing Program
The Startslice Dual Pricing Program shows two prices on your point-of-sale screen for every transaction, and card-paying customers pay the card price while cash and debit customers pay the lower cash price. When a customer taps or swipes a card, the card price covers the processing cost, so you keep your full margin on the sale. You collect the same amount you would have collected on a cash transaction, and the processing fee never touches your revenue.
Dual pricing sits within card brand rules because it presents a choice at the point of sale rather than a penalty added after an advertised price. Visa and Mastercard updated their Merchant Core Rules in April 2023 to favor this exact model, requiring clear and conspicuous pricing on each item (strictlyzero.com). Startslice handles the compliant price display for you, so both prices appear where the rules require them.
Three terms back up the zero-cost claim. You get next-day settlement, so funds reach your account without the multi-day wait many processors impose. You pay no monthly fee, which means the program does not quietly reintroduce the cost it removes. You sign no long-term contract, so you can leave if it stops working for you.
Best for: any brick-and-mortar shop or service business that wants to erase processing fees entirely and is comfortable showing a cash price and a card price at checkout.
Side-by-Side Comparison: Rates, Fees, and Terms
Here is how Startslice, Square, Stripe, and PayPal stack up on the numbers that decide your monthly cost.
| Processor | Processing Rate | Monthly Fee | Settlement Speed | Contract Terms | Hardware Cost |
|---|---|---|---|---|---|
| Startslice (Dual Pricing) | 0% to merchant (card price paid by customer) | $0 | Next business day | Month-to-month, no long-term commitment | Included / low cost |
| Square | ~2.6% + $0.10 in-person* | $0 free plan; paid tiers available* | Next business day; instant for a fee* | Month-to-month* | Reader from ~$0–$799* |
| Stripe | 2.7% + $0.05 in-person, 2.9% + $0.30 online | $0 | 2 business days; instant for 1.5% | No long-term contract on flat-rate tier | $59–$349 |
| PayPal | 2.29% + $0.09 in-person, 2.99% + $0.49 online | $0 (Payflow Pro adds $25/mo) | Free standard transfer; 1.75% instant | No long-term contract | $29 first reader; up to $699 for full kits |
*Square declined to load current pricing from its official fee page during research, so these figures reflect Square’s historically published rates and structure rather than confirmed 2025/2026 numbers. Verify directly with Square before signing.
The pattern holds across every row. Square, Stripe, and PayPal each start above 2.2% on in-person cards and climb past 2.9% online, with no path to zero. Startslice removes the merchant’s processing cost entirely by moving it to the card price the customer sees before paying. Every competitor here charges you per swipe no matter how you configure the account.
Best For: Choosing the Right Processor
Each of these processors fits a different kind of business, and the right pick depends on whether you want to keep your processing fees or accept them as a cost of doing business.
Startslice is best for brick-and-mortar shops, restaurants, and service businesses that want $0 in processing costs and don’t mind displaying two prices at checkout. If you run a high-volume storefront where 2.6% to 2.9% per swipe adds up to thousands a month, the Dual Pricing Program moves that cost off your books entirely. You net your full margin on every card sale.
Square works best for sellers who want a free, all-in-one point-of-sale system with predictable flat-rate pricing and no setup friction. You download the app, plug in a reader, and start taking payments the same day. The tradeoff is that Square’s per-swipe fee comes out of your revenue with no way to opt out.
Stripe suits developers and e-commerce businesses that need deep API control over the checkout experience. Stripe Terminal has no turnkey POS, so you build your own interface, which pays off only when you have engineering resources. For a custom online store or a subscription product, Stripe’s tooling is hard to beat.
PayPal fits businesses that need a checkout button customers already recognize, or that already run inside the PayPal ecosystem. The brand trust can lift conversion on unfamiliar sites. You pay for that recognition with online rates that reach 2.99% + $0.49 and fund holds of up to 21 days on newer accounts.
Is Dual Pricing Legal? What Small Businesses Need to Know
Dual pricing is legal in all 50 states because it presents customers a choice between a cash price and a card price rather than penalizing them with a fee. Surcharging works differently. A surcharge adds a charge on top of an advertised price at checkout, and 10 states restrict or heavily regulate it, including Connecticut and Maine. In those states, dual pricing is the compliant path to zero-cost processing.
Staying compliant comes down to two things you actually control. First, both prices need to appear on every individual item or menu entry. Visa and Mastercard updated their Merchant Core Rules in April 2023, and a single sign at the door no longer satisfies the “clear and conspicuous” standard. Second, your receipts must itemize the adjustment as a separate line labeled something like “Service Fee” or “Non-Cash Adjustment,” alongside the subtotal and payment method.
Startslice handles both requirements automatically. The point-of-sale displays each price at the item level, and every receipt itemizes the card adjustment on its own line. You get zero-cost processing without tracking state statutes or hand-formatting receipts yourself.
Frequently Asked Questions
What is the cheapest credit card processor for small businesses?
Startslice is the cheapest option because its Dual Pricing Program shifts the processing cost to card-paying customers, leaving the merchant at 0%. Flat-rate processors like Square, Stripe, and PayPal charge between 2.3% and 2.99% on every transaction with no way to opt out. On $50,000 in monthly card sales, that difference saves a merchant well over $15,000 a year.
How does zero-cost credit card processing work?
Zero-cost processing displays two prices on every item, one for cash or debit and one for card. When a customer pays by card, they pay the slightly higher card price, which covers the processing fee. Startslice builds both prices into the point of sale, so the customer sees the card price before they pay and the merchant keeps the full amount. Unlike surcharging, dual pricing presents a choice upfront rather than adding a fee at checkout.
Is dual pricing legal in my state?
Dual pricing is legal in all 50 states as of 2026 because it shows a price for each payment method rather than penalizing card users (strictlyzero.com). Surcharging, by contrast, faces restrictions in states like Connecticut and Maine. To stay compliant, you display both prices on each item and itemize the payment method and any adjustment on the receipt, and Startslice handles that disclosure automatically at the point of sale.
Get Started with Startslice
Startslice’s Dual Pricing Program lets card-paying customers cover the processing fee, so you keep 100% of every sale with no monthly cost and next-day settlement. Head to startslice.com to sign up or talk to the team, and start keeping the margin you’re currently handing to Square, Stripe, or PayPal.
