Ends 5/3. Think Geek is having a Buy One Get One 50% Off Sale on select apparel. There are over 200 items to choose from, including T-shirts, Star Wars and Doctor Who polo shirts, bathrobes and costume T-shirts. Discount appears in cart (after starting the checkout process). Shipping starts at $6; free shipping on orders $75+. Two select T-shirts end up being $32 - $8 off in cart + $6 shipping = $30 shipped.