To Custom Sort your Listings follow these steps:
Step 1. Login to your Control Panel
Step 2. Click on Listings
Step 3. Click on All
Step 4. Use the 3 dashed icon as an pad and just drag and drop the Listings to the desired sorting location.
Step 5. Click on Change Sort Order
Step 6. Change which page would you like to change and change the List Sort Order to Custom - By Position. Click on Update.
https://img.skitch.com/20120831-jiexpdtq3p4sgrbqdwnc836wws.jpg
Congratulations! You have now changed to Custom Listing Sort Order!
This feature is only available to Plus, Concierge, and Extreme Design Plans.