I think that's why the post said "starts a business and passes away"; they have stopped being salaried and rely on the good prospects of the ownership of an own

I think that's why the post said "starts a business and passes away"; they have stopped being salaried and rely on the good prospects of the ownership of an own business to do well (from salaried, to "stock" owner of something that still has very little financial value or that the financial value that it has depends on the founder still being alive).