$78
10 Amp 3-in-1 1-1/8 in. Variable Speed SDS Rotary Hammer
Maybe a Pawn shop has one for $50
I have the Dewalt WD511 , 7.8 amp hammer drill (not the rotary hammer) I bought off eBay for $50 , works great for drilling in concrete, it has drill or hammer and drill but does not have the hammer only mode.