A minimum viable product is not "selling the least effort product you can get away with", it's spending the least amount of time you can to build something that you can use to gather more data than you can use to focus your product on what the customer wants rather than what you think they want.
https://news.ycombinator.com/item?id=30642452
Minimal Viable Product is old and busted | Hacker News
news.ycombinator.com