Another way to extend your points is with the use of Interval International. With Interval International you can deposit your points into Interval and they will have an additional two years to be used within the Interval network. Marriott Vacation Club and Worldmark Have access to Interval connections.
In this Video, I show how you can actually save money by using Interval International to book a week at a Sheraton in Orlando through Interval International as compared to booking it with the Vistana or Marriott websites. I also show how to book a Getaway reservation. Below is the review of the location that I demoed booking with Marriott points via Interval in the video.
Review of the One Bedroom Liki Tiki