Doing this with my kids (9&5) this summer. We spent a large chunk on classes for the older one, plus due to reasons (usual CM not available and budget) we decided just not to have any childcare at all. It has been okay so far, but as both work we try to get our kids to do as much screenfree time as possible and then switch them on to their tablets/tvs/switch until one of us becomes free to deal with them again. We are able to care for them but just not engage them the whole time, which I'm a bit guilty about.
Any solidarity/words of advice is welcome!