Rental Ripoff. I checked the rental rate for a condo in St. Maarten. I am an interval member and they have an agreement with Diamond Resorts. I got a rental rate of $138.00 via Expedia. Then I called Diamond Resorts and they told me the rate was $137.50 per night BUT they would give me the 2nd night free. So I booked two units at $137.50 for $275.00. I even commented to my rep, Ethan, that he saved me $275.00. When I checked into the condo, the rate was not clarified as 1 night free but I was told that the front desk would look into it... read full review »