I just went to the website to see costs. I need five tires. Yes, they are cheaper, $403.75 for five tires. My shipping cost would be $85.47, so now I'm up to $489.22. It would be $525 at Discount Tire, a $36 difference. If I ordered them, I still need to have them mounted & balanced, $74.95 at Discount Tire wether or not I got them from their store. Oh, I forgot that Discount Tire would then add tax, $32.
Totals
iscount Tire = $632.28
Online Tire = $564.17
Is it worth the difference of $68 for five tires? I think so.