Can I use a discount code with the financing option? Simba - Odyssey October 26, 2017 10:40 Updated Follow Of course you can! This will deduct from your monthly 0% instalments. Related articles Do I still qualify for the 100 night trial if I paid using financing? Do I qualify for financing? Where do I apply my discount code? Can you take away my old mattress? What payment methods do you offer?