It will be better if you go directly and check out options. Mogli, Gowri, ganesha, rachna homestay are quite famous for budget stays. Also ask to Hotel swagatha food stall,he will show you near by stays as per budget and requirements. check out my experience -
https://www.tripoto.com/trip/3-days-in-hampi-with-budget-of-rs2500-5c3f94bfca088