The Great Southern Bank is a business credit card from Great Southern Bank. Application typically pulls a hard report from Experian. The annual fee is No Annual Fee. The ongoing APR is 18.99% after a 0.00% introductory rate for 9 months. Signup bonus: Spend $2,000 in the first 90 days from account opening and earn 20,000 Bonus Rewards Points.. Rewards: Earn 2X Points per dollar on purchases in the top two merchant categories each month and 1 Point per dollar on purchases everywhere else Visa is accepted..