I think you're oversimplifying over a few important nuances: - That cable will arrive in two months, and a future cable is less useful than a present cable. -

I think you're oversimplifying over a few important nuances: - That cable will arrive in two months, and a future cable is less useful than a present cable. - The marginal value of 5% of your house's space is worth far less than the average value of your house's space. This is in part because you can't easily end your lease, find somewhere 5% smaller, rent it for 5% less, and teleport your life there.