The highest bidder at public sale shall be required to pay 50% or $750, whichever is greater, of the amount of the successful bid at the conclusion of the execution sale (subject to the confirmation of the sale as by law provided). The successful bid amount shall be paid in cash or certified funds (payable to the Rutherford County Clerk of Court). The successful bidder shall also be responsible for the payment of any excise/transfer taxes due to the Register of Deeds office, and all recording fees at the appropriate time.