POS systems come with a hefty monthly cost, and if you’re starting new, you’ll also spend quite a bit on hardware. Many larger POS providers offer financing or payment plans for bundled hardware kits along with month-to-month payment options for your POS software subscriptions. Prices ranges consist of: Monthly POS software: Free to $299 per month Basic hardware bundles: $299 to $899 Payment processing: Interchange fee (small percentage of the transaction) plus $0.10 to $0.30 per transaction