How much is a used 360 controller at game stop?

They start at $10 for a Used remote control and go up to 149.99 for a Rock Band 3 Pro wireless controller. Sony DualShock are the standard retail price of $54.99 and they have non Sony game controllers starting at under $30. Walmart sells the Sony DualShock for Under $45 and has others for $25-30 and a PS3 wired controller for under $20