When IPMs reach greater than 20% of total price for things bought on eBay.
(IPM=Increased Profit Margins i.e. short sell, or give a good deal on an item only to later calculate a ridiculous pricetag for shipping and handling once you have bough/won said item, or adding on any number of other, IMO unjustified, fees)
When are you going to take that garbage out of your shower?
"I wasn't counting cards, I was cheating."
"Ugh. you give me hives."
"It's Tee-revor time!!!"