What is the cheapest POS system to use?

The cheapest POS system is typically free software tied to a per-transaction fee. Square, PayPal Zettle, and similar flat-rate options cost nothing to start but charge 2.6% or more on every card swipe.

Those per-swipe fees compound fast for a busy restaurant or retail store. A bundled model, where hardware and software come free with a processing agreement, often costs less over a full year.

Terminal rentals start as low as $8 per month, and setup typically takes 24 to 48 hours. That keeps upfront costs near zero while giving you a full commercial system.

A local POS provider can walk you through the options and match the right system to your volume and budget.