The biggest reason I wanted to be a freelancer was to gain control of my own time. If you charge enough and do valuable enough work, along with having lower costs of living, it's completely doable to make a good living working part time. In the rest of my time I've been able to:
* Be a digital nomad
* Experiment with building apps and products
* Think and make better decisions
* Actually get 8 hours of sleep without hurry
* Save my body from RSI and go to the gym
Etc, etc. It's especially doable as a programmer since that is a very much in-demand service right now.
I'd love to see everyone have 20 hours a week to do whatever they wanted with.
Congrats! If everybody did that we would be halfway through solving the climate problem.