Head over to Barnes & Noble for their LEGO Buy One, Get One 50% off sale. It’s today ONLY, and you’ll get free shipping on your online order if it’s $25 or more.
Just look for the “Buy 1, Get 1 50% Off Select LEGO Products” message on the product description pages. Add two of these products to your cart, and the lower priced product will automatically be discounted in your cart.