Bike Discount has Schwalbe G One tires for $18.35. I think these might be for tubes and not tubeless use. But if you don't run tubeless and want some good tires for cheap, this is a great deal.
Arts Cyclery also has OEM tubeless G Ones for $29.99. If you use code SAVE15, you will save an additional 15%, bringing the price to about $25. Not bad for a Schwalbe Tubeless tire.