If there is one book and one book only that you want and no other will do then I can see price (within reasonable limits) as not being a factor when you buy. If you have, like I do, over 500 books on your wishlist all of which you want to buy it makes sense to buy by price group hoping by the time you've read all the lower priced books some of the higher priced ones will be lower. I read a book a day. I'm not going to be spending $15/day to fill my reading needs. That would be about half my rent expences. Can't afford that.
|