They might have even better deals, but at some point 20% for handling everything and supporting payments with potential of fraud, chargebacks etc. in nearly every country should start look like not horrible deal. Remembering what the retail margins were back in the day when they needed to make and ship physical boxes...
10 people in 4 years don't sound like a lot to setup and run support, distribution, payment integrations for let's say 100+ countries. Which many having unique payment providers.
25% from 10 to 50 million
and 20% from 50 million on.
They might have even better deals, but at some point 20% for handling everything and supporting payments with potential of fraud, chargebacks etc. in nearly every country should start look like not horrible deal. Remembering what the retail margins were back in the day when they needed to make and ship physical boxes...