Yeah, Gap doesn’t do ID.me or any online military code at checkout for gapkids.com. The 10% off is strictly in-store when you flash an ID at the register. Honestly, you’re better off just stacking regular promo codes online—their standard 40% or 50% site sales beat the in-store military discount anyway.

Gap’s checkout only allows one percentage-off code at a time; entering another just overwrites it. If you want a real deal, wait for a GapCash redemption window or stack the automatic site sales with Gap rewards and Rakuten. Don't bother hoarding multiple coupon codes because the cart blocks them.

Just use the Gap Good Rewards program. It pools points across Gap, Old Navy, and Athleta, which makes earning way faster. You get $1 per 100 points, and unlike GapCash, you can actually stack them with promo codes at checkout. Plus, combining carts across their sister sites hits the $50 free shipping minimum easily.

Never pay retail at GapKids. Wait for the extra 50% off clearance promos that hit every few weeks. If you're short on the $50 free shipping minimum, pad your cart with cheap Old Navy items through their shared checkout. Just watch out: GapCash almost never stacks with standard promo codes.