Knowledge Base Pricing Why is there a spot price difference between your site and other sites? Why does it cost more to use a credit card? Do you price match? Do you offer a military discount? How can I purchase tax-free using a Reseller Certificate? What does “as low as” mean in reference to pricing? Why is the price in my cart different now that I’m ready to checkout? Why don’t the prices of your copper products fluctuate? When are my prices “locked in”? Do you offer discounts for certain payment methods? How do I lock in pricing? How are your prices determined? Why are similar products priced differently? Do you charge sales tax?