the 30 day extension is 1,900TB plus a current 2x2 passport photo. Obtained at your nearest immigration office. Should be done one week to ten days before your 60 day expires. Cash Is best. Be prepared with all documents. Fill out all paperwork forms at that location. They will date your stamp. You must leave Thailand at or before that date. If you have difficulty with the forms there is usually someone there that will help you.
say, have you ever considered there are individuals out there that rarely use hotels? Usually only for a rare vacation or out of necessity due to loss of residence. Not everyone is savvy about everything, so stop and think!