Its not a bad suggestion though, but I have to agree on what Enzo said. Running administration is extremely hard i would say, and very costly. If implemented that doesn't mean that everyone will do it every time. And the price set for every uber set is not just to make you spend your money. Thats why its called donation. Its somehow donation to keep the server alive and in exchange you will get to enjoy good quality and strong set. And for the bigger discount you suggest, lets say a lot of donation at the start but still doesn't quite met the price set for the expenses that our administration do to spend to have a good maintenance for the server. And at the later part its gonna get lower and what will happen to the business, resistant is gonna cover the expenses more than what he had for the donation for the new ubers. So understand this coz it is business, and for the business to arise we have to set price for each donation. Remember it doesn't mean that we are getting the money out of your pockets but go back to the word donation again.
Anyway guys there are seasonal promotions that resistant always do just for you guys to enjoy more and pay less. So instead of wasting your $10 every time you spend just to change the set, lets say 5 times you want to want to change. That already cost you 2 new uber sets which you can keep.
Yeah I did have that in consideration but I dont think that someone would change their uber set 5 times...and even is someone is to do it...it would cost them at least $10 every change which is something they would be doing every 6 months...so considering the time gap I'd say that the $10 every 6 months feels cheaper than $50 all in one go...