A level is earned, never bought and never handed out on request. Mason Lab recomputes it from the store's own record over the last 90 days — orders completed, how many different buyers, disputes, refunds, ratings, deliveries on time — and it falls again the moment that record does. A level is earned from a store’s own record on Mason Lab; stars are what buyers gave it. A store can hold a level and still be waiting for its first review. See the exact thresholds