Yeah, it's an issue. A big part of the problem is that US runners have always been a fairly affluent group that has never really balked at paying gobs of money for shoes. There have been a few companies over the decades that have tried to sell "economical" running shoes, no recent ones that I know of, and the idea never caught on. As a group runners seem to think that there is a relationship between how much a shoe costs and how good it is and usually "good" means the shoe will help keep you from injuries.
But here's the thing, that connection has NEVER been proven objectively. On the other hand there has been research that indicates the exact opposite is true, that higher priced, technically "sophisticated" shoes might cause injuries. If you check into some of that research and think it has merit then you logically would look to buy basic shoes, entry level "joggers" that cost no more than half what common training shoes do. Go to Kohl's, Shoe Department, etc. and you can find them.
If that seems too risky for you you need to look for bargains, close outs, etc. either on line or at your local shop. You also can find very cheap shoes at factory outlets too.