Keystone markupPosts and articles about Keystone markupCommunityWhat percentage is keystone mark-up?Hi, what is keystone mark-up, and how is it calculated? Should I use this pricing strategy for my online store? AnswersAshley StanderIs the Keystone Pricing Strategy Right for Your Shopify Store?The keystone pricing strategy is a simple block pricing formula that dates back many years. It was originally used by brick-and-mortar stores—stores with a phys...