To be eligible for the Big O Tires special financing plan, you must be a Big O Tires credit card holder. To apply for their card, you can either visit their website and complete an application online or you can visit your local Big O Tires retailer and ask an employee for assistance. Once you have been approved for their card, you will be eligible for special financing. The only financing plan offered by Big O is a deferred interest plan that provides six months of interest-free financing on eligible purchases over $250. When you are ready to pay for your purchase, use your Big O credit card and state that you would like to apply their financing plan to that purchase. When financing from Big O Tires, be sure to complete all payments on time or else you will be stuck with every interest payment.