If you fly cargo you’re much more likely to get out and back trips.They will typically be at night. So if your ATC wife works at a part time facility that closes at night you would have opposing schedules so that someone was always home with the kids.
You prob won’t be making as much money, but your wife will be the bread winner regardless of which route you go. Working cargo to cut down on childcare expenses and cater to her schedule might be the best option for someone in your shoes