I have three with one on the way. It’s a constant struggle to keep the place livable. Before I had children I was not a neat person and kept things livable by not doing things that made mess and staying out as much as possible. Can’t do that with kids, so what’s the trick?
Anyone who wants to get organized, try https://www.flylady.net/d/getting-started/
It’s a great program that helps you set up a pattern for yourself a little at a time.
And if you don’t want to do a program like that, here’s a good guide: https://grkids.com/realistic-cleaning-schedule-download/