Plus all the time stuff costs when you're not even using it. You also need to organise those books, move house with them, find space for them, maybe sell or giv

Plus all the time stuff costs when you're not even using it. You also need to organise those books, move house with them, find space for them, maybe sell or give away some you don't want. They might get stolen, do you need insurance for them? That shelf takes more time to dust...