I've validated the idea with a few potential customers and I've started building out the solution for one customer as a consultant.
Depends on your risk tolerance and how sure you are that you want to run a SaaS company, IMHO. I will report that I started learning a lot faster and executing a lot better after having more cycles to spend on my companies, and basically every change in life which increased focus has been a net win for me. (Going full-time, winnowing down from ~4 simultaneous businesses to one, etc.)
This question is part of an AMA with Patrick McKenzie.View entire AMA with Patrick McKenzie.