Most vacation exchanges start on a Friday, Saturday, or Sunday. We were given a cancellation exchange date deadline of November 17, 2010 which is a Wednesday! No possibility we've been told of making it an ending date of the next weekend. But we could end it earlier on November 13, 14, or 15 which costs us an extra week to fill the week or lose it and our $139 exchange fee. Interval is there to make money, period. There is no understanding as to why a week had to be cancelled from them. Use it, according to their rules, or lose it i... read full review »