This is absolutely true for me, but for me it is somewhat of a difference between improving the product (donations) or having to answer actual support emails (p

This is absolutely true for me, but for me it is somewhat of a difference between improving the product (donations) or having to answer actual support emails (paid product). The former I do for fun, the latter I really need people for because it takes up all your time. And that is a company/job and not a side project.