[wazoox]

As Joel Sposky said, even the best, most necessary product doesn't sell itself magically. Setting up a website, selling on Amazon basically won't make you close a single sale.

You must devote a day or two a week to sales and marketing, making noise on LinkedIn and a blog, and awesome videos, then connect to people and propose them a demo of your service. That's crucial to market fit, you must have at least some prospective customers to be sure your products solves an actual pain for them.