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 Sofa.com's policy, you can contact Sofa.com via mail for your reference.

Yes. Coupons for each Discount Event of Sofa.com 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. 

Our advice for you to use Sofa.com Coupon effectively is to choose the right day.
Like thousands of other consumers, the time of promotion is when they choose to
shop at Sofa.com, so take advantage of coupons released on those days to save.

All deals from Promotion Programs of Sofa.com 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.

The sitewide discount from Sofa.com is applied on certain purchases. For Year-End Deals, the store may have its own requirement to offer you a sitewide discount.