The gift is more a chance. It what you want most of the items that were given were never sold/resold/cost around 400-800 gralats. The most common present was gralats (in return seems good cause you get gralats back). The more exclusive things like things that were never sold are probably the hardest to get. The items that were sold and taken off are under that, then comes items now sold, then gralats candy cane and egg nog

Then there is also the super gifts that improve the chances of getting items