I recently bought some BNC to RCA adapters from Radio Shack at $7 a pop. I thought they were screwing me on it, but I needed them that day so I bought them anyw

I recently bought some BNC to RCA adapters from Radio Shack at $7 a pop. I thought they were screwing me on it, but I needed them that day so I bought them anyway. But if you look online, the average price for them is about $4+shipping. About a 70% markup, not that bad really considering a lot of the stuff they carry is pretty obscure.