$10 Off $35+ at Costco Same-Day (Code: SUMMERSAMEDAY26, 7/27–8/23)
Save $10
Apply coupon code at checkout:
SUMMERSAMEDAY26
Costco Same-Day is taking $10 off orders of $35 or more with promo code SUMMERSAMEDAY26. The promotion runs from July 27 through August 23, 2026, and is available to all Costco members — not just Executive members.
A separate code BDSUMMERSAMEDAY26 is available for Costco Business orders.
How to redeem:
- Visit SameDay.Costco.com and add at least $35 in merchandise to your cart.
- Enter code SUMMERSAMEDAY26 at checkout.
- The $10 instant credit will be applied automatically.
Key terms to know:
- Valid 7/27/2026 – 8/23/2026 (PDT)
- Minimum $35 merchandise subtotal required (after discounts, before taxes/fees/tip)
- Limit one use per Costco membership number
- Active Costco membership and a SameDay.Costco.com account with a valid payment method on file are required
- Instant credit applies to non-alcohol and non-Rx items only
- Successful delivery must occur; availability varies by ZIP code
- Code is non-transferable and cannot be redeemed for cash
Note: Costco Executive members already receive a separate $10/month discount on orders of $150+ through Costco Same-Day/Instacart. This promotion is a distinct offer open to all members.
Costco Shopping Tip
Note:
- •Prices and availability may change without prior notice
- •Check the retailer's website for the most current pricing
Shopping guides
- The Skincare Actually Worth Buying at Costco (and How to Shop It Smart)Costco's beauty aisle quietly stocks the exact ceramide cleansers and creams dermatologists recommend — in value multipacks, with a return policy that lets you try them risk-free. Here's what to buy and what to skip.
- Class-Action Settlements: How to Claim the Money You're Actually OwedWhen a company settles a class action, anyone affected can file for a cut — usually free, often without receipts. Here's how to find settlements you qualify for, claim them before the deadline, and spot the scams.
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