Payments can be recorded manually against a client from their profile. You can record a partial payment, and multiple payments can be made against the same sale over time. If a client overpays, the surplus is recorded as a credit balance on their account.
Payment methods are user-defined tags. Cash and bank transfer are set up by default. Add your own in — for example Bizum, SEPA transfer, or any other method relevant to your market.
Refunds cannot be processed from within Bobclass. Handle refunds directly through your payment provider or in cash, and adjust the client's balance manually if needed.