Brickpicker's database is full of historical eBay sold listings, but it's also important to find out what was just sold in the last 5 minutes. Click the link below to view eBay's latest sold listings. When you look at Brickpicker's data and see what sold today, it can help you to see if the sets you are interested in buying or selling are developing an upward or downward trend.
View the Latest Live eBay Completed Sold Listings
As far as Collectible Minifigures go, the Genie ranks in about the top 70% for me. The color scheme is vibrant, and the pieces are mostly unique. I recommend this set for display, but you should put your investment money elsewhere.