What I found for myself as a rule of thumb is if high aws bills can surprise me or if I don't have a paid support contract then most likely AWS type of services

What I found for myself as a rule of thumb is if high aws bills can surprise me or if I don't have a paid support contract then most likely AWS type of services are not for my size. Actually, I'll sleep better on fixed-price cloud targented to small/hobby/medium size companies.