I've run into this. It's tough because the answer I might arrive at ("I don't have a place to store this, so I shouldn't buy it") is often not well received by

I've run into this. It's tough because the answer I might arrive at ("I don't have a place to store this, so I shouldn't buy it") is often not well received by people you live with as it comes across as you trying to dictate what they can and cannot buy.