All 4 could be broadened: 1 have rich parents (not kidding) >> Parents 2 work part time until you can get angel investment >> Another income 3 a pre-angel in

All 4 could be broadened: 1 have rich parents (not kidding) >> Parents 2 work part time until you can get angel investment >> Another income 3 a pre-angel incubator ala YC >> Small investment/tor 4 live somewhere really cheap and use savings >> Savings I think all 4 imply also living cheap