Clean Sweep BM

I had purchased a voucher for window cleaning as did a family member, and my appointment had been cancelled twice because they 'were not in my area'. finally tomorrow they are supposed to come, however my family member had issues also with cleansweep not wanting to do all her windows, because they changed their fine print after the voucher had been purchased with the 15 window pane limit. I have a 1700 SQ foot house with 24 window panes and originally it was a 2000SQ foot house with no window limit! not impressed!!!