I pick and choose my jobs, anything that is going to be problematic I walk away from, builders I avoid.
i only do a 4 day week.
I try try to limit my work to nice jobs that I enjoy and are not stressful and I enjoy. I have turned down two fuse box changes last month just because they are going to be a total pig and one of them, all the light fittings are the 12v type on high up ceilings, all the light switches are those flat plate Schneider dimmers plastered into the wall and won't move, plus the board needs moving from the alley to the inside.
i prefer a less stressful life.