This is very frequently asked question, so you can find the answer in many reviews, and user opinions pages. Neopet is quite a big game, so there are many things that you must learn on order to play it the best way. For the rare item repairing, you must have the needed crafting skills, or there are easier ways. One is to find a repair NPC character, and it will repair your item decay. However, it is better to learn the crafting skills. Over the time, it will be much cheaper.