We've all been at both ends, finding some good stuff stashed under shelves and having stuff we've hidden found by someone else. It a good rush when you find something hidden for ages with inches of dust on it or an exclusive that someone socked away a few days before.
Up until last Friday, my best finds have been just older figures, like GC POTF2 that were hidden for years and then finally found. I've found stuff like GC Luke ST, R2, Tusken Raider, Hammerhead, Greedo, and other aliens at TRU that someone had thrown under a shelf that was relocated during a remodel.
On Friday, I went with my wife to visit her mom's grave about 2-3 hours away. I called up some WM's on the way and asked about the TIE Bomber availability. One store said they had one in stock but it wasn't in the department and was thought to be hidden. I got to the store, hunted around without finding it, and almost left empty-handed. I found a toy dept. employee and asked about it. She said it always popped up now and again, but then would quickly disappear only to be found again. She directed me to the pool aisle and said that would be the most likely place to find one. I noticed one row of boxes stuck out more than the other, so I removed them. Behind them was the elusive TIE/B. It was such a cool find and a great rush! To this date I count it as my best hidden find.
What's the best thing you've ever found hidden at a store in terms of price or exclusivity? Or conversely, what's the one thing you were hiding for later that someone else discovered and grabbed?