This salon isn't much to look at, but I didn't go because I wanted to be in a "spa environment." I went because I wanted a cheap pedi! $20 is nothing; the ladies here do great work. They are meticulous and take their time. I was here 45 minutes. I have paid WAY more elsewhere and been less satisfied.
They do get busy, and I had to wait a while before someone could see me. Make sure you bring cash for a tip--they take cards, but only for the base price of the service.