Well I think its time for folks to start reverting back to Milwaukee days. When my brother went he carpooled spent several nights staying at a dorm. The cost of his room was cheap and carpooling with four other guys was easy. It seems a lot of folks go the VIP route anymore and don't no how to reduce expenses. I don't mean the VIG that the con offers, but staying only two to a room in a connected hotel and complaining about the expense is bringing it on your self.
Find some roommates to help cut the cost, find someone to ride with, even if its old college buddies and you have to drive an hour out of your way to go get them. Eat cheaper meals, get some bread, meat, and buy a case of pop before you leave or when you get there. Gencon is as expensive as you want to make it. I'm flying in and staying out by the hotel for a reasonable price, and also renting a car for a reasonable price and have parking for a reasonable price, because I have done some serious research to this event.
My advice for folks on a tight budget is to do the con on a comfortable budget, you don't have to do true dungeon, or 10 events. If you have to drive crosscountry and roadtrip, you don't have to sleep at hotels, find some relatives crash there and move on, or do what other folks have done camp out, get a one night camp spot and research it before you go there. Alot of small towns have campgrounds that cost a few bucks to sleep, throw in a couple of tents and go.
Folks need to learn how to rough it again.