Freelancing at $~60/hour * ~30 hours/week can work fine here. You can raise a family on it no problem. You're not going to retire early this way, but different strokes for different folks.
1. brought my suicidal depression back down to regular occasional depression
2. brought stress levels down to manageable
3. learned / learning 3 new programming languages, 2 platforms and 2 game engines and developed skills in pixel art.
achieved this by making money a secondary priority and living a life of near seclusion in my apartment (do have a daughter here 2 weeks per month and live with my gf so i'm not completely secluded).
edit: i've only worked 6 months this year and spent the rest improving my game dev skills. I usually take on 3 month contracts and then break for 1 to 3 months before my next.