If you like free clothes as much as I do you'll love My Sister's Closet.
The trick is to consign and go frequently.
There are times I don't find much but when you spot a true gem it makes the digging worth it. Although I have to confess, there isn't too much digging involved. They've spruced up the store design and organization. Clothes, shoes, and accessories are put out seasonally so it's easy to find what you're looking for.
Just went today and scored with two summer dresses ... for free.