Earn when you shop with your linked card at all participating Mattress Firm stores. Exclusions: Cash Back is not available for online orders placed in-store through the online ordering system, or for items ordered in-store that require shipping. Online orders placed in-store that require shipping or delivery will not qualify. Posting Time: Cash Back will be automatically added to your account within a few weeks. Only US-issued payment cards are eligible to enroll and earn. Offer not valid for gift card purchases. In-Store offers are not valid for online purchases and may not be combined with other Citi offers. US stores only. Offer not valid at locations in US territories. Offer may be displayed on multiple websites but is redeemable only once per qualifying transaction. If you link to the same offer on more than one site, your qualifying transaction will only be eligible for rewards or benefits associated with the offer through the most recently linked site. Limit 1 redemption per offer link. A linked offer that has not been redeemed will automatically expire 45 days after it is linked or re-linked, or on the date the offer itself ends, whichever is sooner.