Not wanting to own anything isn’t a problem. You identified the real problem as being afraid to lose something. Entrepreneur means risk taker. If you are afraid

Not wanting to own anything isn’t a problem. You identified the real problem as being afraid to lose something. Entrepreneur means risk taker. If you are afraid to lose something, that is bad for an entrepreneur. If you don’t want to own anything because you want to be agile and free, that is fine.