I had an appt scheduled for 11am and selected the option to checkout without paying in advance. I was then called and told I had to provide a cc # in advance to use for hold so that someone could come out. So, first, don't offer the option to NOT provide that because then I'm called and asked for it so that's not a good experience. Then, they called me at 2pm on the day of my 11am appt (no contact about being late or anything) to say it was actually going to cost $50-60 more than I had authorized payment for. I told them to just not bother anymore and I dealt with it myself.