Can I use a discount code with the financing option? Simba - Odyssey March 29, 2018 09:40 Updated Follow Of course you can! This will deduct from your monthly 0% instalments. Related articles Can you take away my old mattress? Do I qualify for financing? Where do I apply my discount code? Do I still qualify for the 100 night trial if I paid using financing? What payment methods do you offer?