You should check pawn shops, they have some on clearance, prices range from $3 to $9 dollars, I also found some for $2 dollars at the local flea market, try thrift stores they also have them for pretty cheap, and craigslist, last time I was looking for rockband 3 for ps3 so I put an ad, a few hours later some guy called and sold me rockband 3 for $5 bucks, and a rockband guitar for $5 also, so it never hurts to post in craigslist if you are looking for sonething, you may get it cheaper than you think