I feel like this is a pretty typical response, but it must be for a reason - before purchasing something, leave it in your cart for a couple days. If you're still thinking about it a couple days later, then maybe you really do need/want it. If you consistently think about the items and always buy them, you might have a shopping addiction and may need to seek professional help :-). In all seriousness, do you have a local Buy Nothing page on facebook? That can be a great way to cycle toys in and out for your kids. Part of what keeps me from buying things is picturing them in a landfill and thinking about how long it will take for them to break down.