"For example, the idea of a minimum viable product doesn't really work too well with Hardware." Actually, it does, if you make your MVP a little more minimal.

"For example, the idea of a minimum viable product doesn't really work too well with Hardware." Actually, it does, if you make your MVP a little more minimal. Put up a sales page for the product, attract traffic with Google AdWords, and see who clicks "buy". You know those infomercial products that required 6-8 weeks for delivery? That was the time it took to actually get the products manufactured, which didn't happen until a sufficient quantity of orders had been reached. Tim Ferris has a bunch of similar examples in 4HWW.