I want to build/sell a product. Steps?
HeyLaughingBoy: Go straight from 0 -> 4. Get feedback before spending more money. If you can't find customers with just your prototype, you either won't be able to sell it later, or maybe just no-one wants it.I've found that most of my product ideas fail in the "marketing" step (which you omitted): either I can't clearly identify the customers, or the cost/difficulty in reaching them is prohibitive. In either case, it's a fail.