Rabbit food (Oslo only seems to do well on Heinold 15-20 Show Formula Rabbit Feed)
Dog Food. (Niņo's on TWO right now)
Hair dye, only Manic Panic works the way I want on my hair, plus it doesn't make it feel worse and it's all natural so I can leave it in to set for hours. I's motto is "tested on celebrities, not animals!"
tampons
Riding gear. I've found out the hard way with at least 5 different major purchases. Most cheap stuff just falls apart, is horribly made, and needs to be replaced soon after buying it.
Other than those, that is about it.