This depends on how inexpensive your budget is. If that's around $500, I think that you'll still be able to build a PC with that and can play AA games with low settings.

I advise you to check linus' forum and ask there so computer experts will help you out.

If you're up for some articles, this might give you an idea --> https://www.tomshardware.com/best-picks/best-pc-builds-gaming