[drusepth]

I started my own SaaS business on the side and quit my 40 hour work week a couple years later to work full time on it (and have been loving doing so ever since).

You'll probably get a lot of practical suggestions on processes from others here, but I really enjoyed Peter Thiel's Zero to One book. It's not 100% relevant since he rambles pretty hard throughout and a lot of it needs a pinch of salt since he's so contrarian, but there's a lot of really good gems in there about how to build something legitimately new to create your own pie of income (including chapters on marketing, pricing, etc), instead of building something to get a small slice of an existing market.