Just out of curiosity, when did you buy this week? If you are still in your recission period, and you bought directly from Marriott, perhaps you should rescind and learn more about what this ownership would and would not be good for. If you decide that it would meet your needs, you can almost certainly get the same deal from Marriott again, or you might even do better on the resale market.
Horizons is a lovely resort that is very highly regarded, but your questions lead me to believe it may not meet your expectations.