Understand the difference between bundled pricing, interchange-plus style models and other commercial structures.
Card mix
Your effective cost can move with card type, channel, rewards mix and transaction characteristics.
Contracts
Check equipment, gateway, PCI-related, monthly and cancellation terms rather than focusing on one rate.
Integrations
Make sure the provider fits your POS, ecommerce, accounting and operational stack.
Next step
Turn the market overview into a provider brief
Write down your monthly volume, average ticket, sales channels, currencies and required integrations before you ask for pricing. That makes quotes easier to compare.
Build a neutral baseline before requesting quotes.
Put the same volume and ticket assumptions into the calculator so you have a reference point.