I purchased the coupon for $179 and called the next day for an appointment. The person who made the appointment was pleasant and we scheduled it for a 12:30-2:30 time window. The gentleman who was to perform the service arrived on time. He was polite and professional. During our discussion of which floors we wanted done he made a phone call to his office. He then told us that Angie's List had made a mistake and was supposed to include an exclusion for "natural stone" on the coupon and that he would be unable to honor it. The best he could do was offer to credit the $179 to the full price of cleaning our slate tile floors, which would be well over $500 for the same 300 sq feet. He was polite and apologetic but couldn't help us any further. He did write an estimate for what it would take to perform the same services for all our floors, with the exception of our enclosed back porch(they're all slate tile, excluding our bedrooms), which came to over $1600. Nowhere on the coupon, which has been out for weeks, does it indicate this exclusion. The person who took the appointment didn't ask what type of tile we had either. We declined the offer to do the floors for several hundreds of dollars more than what we were expecting to pay. It's not only an issue of money but the fact that apparently it was assumed it was ok to penalize a customer, who purchased a service in good faith, for a mistake made by the two primary parties of this coupon agreement. Instead, they should have performed the services as expected and worked out any price difference issues with Angie's List. *Note-We didn't just buy this coupon the day it came out, it has been out there for several weeks. So if there was a problem with the natural stone exclusion, it should have been rectified by the time we purchased our coupon last week. Response to Provider: 1) The coupon did not say ceramic tile only. 2) I'm aware of the difference in ceramic and slate, which is why I looked for any appropriate exclusion. And I'm offended by your comment "she was unaware of the type of floor she had". Of course I'm aware, I had it put in. 3) I have asked for the refund from Angie's List and received one. 4) The discount was not offered until a quote of $1600 was given for doing all my floors. It WAS NOT offered on the original 300 square feet.