Less percentage, than from banks’ and other swiping machines in the market. Also no paper, just will be sent in SMS, great, no cost for paper rolls. Life long machine rate is 8k. Then money will be deducted only for the percentages and for sending bank. It’s OK. Great and cheap one.
Only drawback is, it’s mobile pos, your parents should need to know how to operate in their phone. I think it’s easy too.