There are cheap dent removal kits and also expensive versions of them. But even the most expensive of them are very cheap when you compare it to the cost of car repair. The price of the kit depends on how many options you add. In the case of suction cup dent pullers, you need different sizes of cups to deal with different dents. So, the more cups you add, the more it will cost. But the good news is, that you will find many dent removal kits for sale if you search online.