With a mere 40-hour work week, you want more free time? We're clearly
dealing with a serious customer. If more free time is your goal, starting
your own business is the one thing you should not do.
I do indeed have high aspirations for my life. Given my career of choice and what I've read so far regarding other people's experience starting a SaaS, I definitely feel it can be a viable way of achieving those aspirations.
With managed expectations it's very doable.