Guitar Center of SF practices Bait-and-Switch. I contacted Guitar Center SF on 9-19-10 asking if they had any yamaha 12 string guitars in stock and associate Ben informed me they had 2 of them. I asked if he could hold one and he stated he needed 10% down. I told him I had two amps I wanted to trade in and requested how much they usually pay on trade in's. Ben informed me that they don't like giving trade in prices on the phone but stated they usually pay 80% used market value based on google pricing. The next day I arrived to the... read full review »