I'm a one-man founder, going from a ground-up SaaS and starting with zero audience. No Twitter followers, no email list, no newsletter, no network in the niche I'm creating for. Just me and product. I've been working on getting it out there the last couple of weeks and this is what I've seen so far: On the launch day, Hacker News / Product Hunt got me a spike of traffic, a few hundred people, and then it was pretty quiet the next day. Good for now, it's not something I can do again. X...