HDM INC does not stock tires, the prices from a lot of online tire shops is less than we would be able to offer them for with shipping. Also, we want to ensure customers get the newest fresh tire and these online store specialize in tire sales so they will have the most recently manufactured tires available.
Check out this link to more information on tires and a few good tire websites to order from.
https://www.bigdogpartskingpin.com/products/tires