But working/usable software takes months ( eg. Billing, authentication, DevOps, ... ) Profitability at least a year except if you can fall back to an existing

But working/usable software takes months ( eg. Billing, authentication, DevOps, ... ) Profitability at least a year except if you can fall back to an existing social network/dev infrastructure, which is also based on a lot of work. Eg. Only getting a decent ranking in Google could take months. I'm not sure if it's that easy to compare.