Generally, coupons and other discounts (such as Groupon) only apply to our upfront payment prices. However, sometimes we have time-limited specials where these coupons that are also applicable to our Affirm loans. Like right now! :-) 

So if you're thinking of using a payment plan - take advantage now. 

Any coupon that works for full payments, currently works for Affirm as well. Yeah! :-D