Hotel Courtyard di Boone

Poor billing practices and extremely poor follow through on concerns. At check in, I was not informed of a significant increase (double) in my rates from when I reserved the stay. Immediately I went to talk to the front desk supervisor who was not sympathetic or helpful and kept saying that my change in group rate was supposed to have communicated to me and that it was approved by a manager in my company. It had not been approved and my manager had let me know that, after repeated communication, it had been resolved and they were going to honor originally quoted rates. 10+ attempts to resolve have been made, including leaving messages with GM, billing manager, supervisor on site, calling main Marriott number, opening up two cases (because one was closed without any contact). They continue to say that this rate was approved by my manager. I can't believe that it would be okay to quote someone one price and charge them double without informing them ahead of time. This happened to several other people in my group, some have had their rates reduced (but not back to original rates) and some are still waiting.... I also requested room service via the app (less frequent then what I was told at check in) and it was not performed that day--had to request again for the next day. Only requested once for week stay. The lobby does offer nice seating options and the outdoor seating area out back is spacious. The food is very expensive for the area-as there are many, many alternate options close by with more reasonable rates. The rooms were a good size, as was the bathroom. It would be nice to have more hooks to hang towels. Sadly I will never stay in another Marriott property in the Boone area due to the poor customer service and the GM manages multiple hotels.