IBD note: "No Annual Fee with your paid Costco Membership". Card terms and conditions actually do not mention annual fee in case you did not pay for your Costco Membership.
Each Eligible Purchase shall qualify for a Rebate of 1, 2, or 3 percent, as follows: 3% for purchases of automobile gasoline (any individual Purchase transaction in excess of 75 gallons or equivalent dollar value will not be deemed to be a Purchase of automobile gasoline) at Costco Gasoline and domestic stand-alone gas stations, excluding gas purchased at warehouse clubs other than Costco, superstores or supermarkets; 3% at restaurants; 2% for travel purchases from airline, lodging, car rental, cruise line, travel agency and tour operators; or 1% on all other Eligible Purchases posted to your account. “Eligible Purchases” include purchases of goods or services, which purchases have not been returned or otherwise rescinded, and are not subject to a credit; it does NOT include fees, Finance Charges, Cash Advances (including the use of checks, line activators, automated teller machines, or other means of accessing your Account), Balance Transfers, or adjustments to your Account or the purchase of American Express® Travelers Cheques and American Express® Gift Cheques. Rebate is awarded annually in the form of an in-store coupon redeemable for cash or merchandise at any U.S. Costco Warehouse. Additional terms and conditions apply. See Cardmember Agreement for full terms and conditions.