If you're a parent, then you likely already know this, but kids can be a handful at stores. They usually don't want to be there and make the way they feel known. They also ask for things like snacks or drinks, which can quickly add up. So, sometimes it's better to leave the kids at home with your partner or someone you trust than it is to take them grocery shopping.
It might help cut down on the amount of money you end up spending or at least cut down on the temptation to spend more. It might also be a bit more relaxing.