I did a bit of searching for a good cheap case and found a decent one that I am happy with. It fits the tablet snugly, and I think it works well.
I picked it up at Amazon for ten bucks with free shipping via Prime membership. It is a MoKo case.
Here is a link to it: http://www.amazon.com/MoKo-Samsung-G...dp/B0083OYIBW/