This is also the case with many professional fields. There are plenty of lawyers, accountants, marketers, etc. who start a small firm and then run it the rest o

This is also the case with many professional fields. There are plenty of lawyers, accountants, marketers, etc. who start a small firm and then run it the rest of their life without expanding much, if at all. There's nothing wrong with a lifestyle business, it's just not a "startup".