Interesting, I've also found 4h/day to be the a good average. Key word there is average though, some days it feels more like doing 2h or none, other days with

Interesting, I've also found 4h/day to be the a good average. Key word there is average though, some days it feels more like doing 2h or none, other days with a (rare) interesting problem it can spiral to like 10h too. The typical full time job fixed work hours are just so too damn rigid.