I just needed it to pull the code and clear it.. This one was able to do both of those. I don't intend on having to use it that frequently..

 

I bought a cheaper amazon one also that has worked great for my evo and my old sti.

 

Cheapest way is simply going to be; going to advance auto parts or autozone. They do them for FREE. They will not clear it though. Ask politely and wait. Right down the codes and report back.
But I'd advice getting a tactrix and learning how to