Haven’t RTFT but this has to be one of the tackiest things I’ve ever read on here…
OP maybe there are some earrings you’ve been eyeing up, maybe try and push him into that whilst you at it.
Just to point out OP levering contact/childcare (yes it’s an tiny amount of money but that’s besides the point) only happens in a high conflict arrangement and is very much frowned upon by courts so you’re on a line here with your thinking.
In the shoes of the parents of these poor children, I’d get a babysitter, whether
you’d be in the house or not would be irrelevant.
Like another PP said, be careful he does’t realise how much you dislike his DC, he may have sooner than he thought. Their mother but also sense your dislike hence her attitude towards you, as well at the pettiness of course.
I always wonder why these women enter into marriages with men with children baffles me when they have this mindset, truly bizarre.
But mostly, my good god, the lives of others…eye opening