It's not really a secret but for those of you who are looking for guitars and accessories, try the Marketplace section on Facebook. If you collectors are looking for a specific axe, or just a replacement, or maybe you're starting a new collection.
It allows you to set a search parameter and then get notified if anything that fits is posted for sale. Some of the search terms I'm using are
Does it work? Since September I've picked up 5-6 new guitars, a few mics and three RB3 game discs for great deals.
But the absolute highlight of this adventure is definitely the wooden strat. for a mere $100.