Discount codes don't stack. If you have 53% off discount, they can't also use a "free shipping" coupon since Only one discount at a time can apply to a single order at the oldnavy site.

Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on oldnavy's policy, you can contact oldnavy via mail for your reference.

Yes. Coupons for each Discount Event of oldnavy will be collected here while being updated day by day. Sometimes, there will be deals not updated promptly but it's rare, we expect sympathy from you. 

All deals from Promotion Programs of oldnavy are collected here. For each certain occasion, its coupons will be on the top of the coupon list, and surely they always come with an expiry date.

Yes. Like all other stores, oldnavy offers a number of Cyber Monday Coupons. Don't forget to check the expiry date before making your purchase.