To get the deal:
1. Visit the Costco Tire Page
2. Enter your vehicle information and confirm your tire size on the following page
3. Select your desired Costco location (your tires will be shipped there)
4. Select from the available tires in the results
5. Ensure a quantity of 4 is selected and add to your cart
6. Your discount of $150 should apply in cart with free shipping to your selected Costco location.