It's a whole new level of freedom as a parent when you don't have to either bring your kids with you everywhere or arrange childcare for them when you leave the house. Aden is fairly trustworthy, and when she turned 8 we started letting her opt to stay home by herself if the rest of us ran out on an errand. I'm less comfortable with Mona on her own even at 9 because I have trouble picturing her keeping a calm head in an emergency. Quinn is about as responsible as you could ask a 6 year old to be, but he's still only 6. As long as Aden is in the house I'm comfortable with leaving the kids on their own from time to time.
The rules for when they are on their own are as follows: