We're trying out a new ticket vendor, TiqIQ. Think of them as the Kayak of tickets. They aggregate across several selling platforms. What sold me is they allow you to set up price alerts. Plus, we get a few more pennies when you buy using our links.
Right now, they have Clemson tickets in the $160 range for singles and $175 range for a pair. As a comparison, the best price I had on my old ticket site was over $180 and that was a 600 level seat.
If you are in the market for season tickets, we still have some of those too (as well as parking passes if you scroll to the bottom of the list).