Preferred Exchanges are one of the most important information you can add to your profile. They allow other Members of the site to see where you wish to travel. These destinations will be visible on your Profile and Listing. Adding Preferred Exchanges will also ensure that you move up in Search Results of a Member from the added destination.
How to add Preferred Exchanges?
Place your mouse pointer in the top right corner of the page and on the drop down menu that appears click on Edit Profile on the resulting page select the tab Preferred Exchanges
Instructional video on how to add preferred exchanges: