Find an updated list of TruStone Financial bonuses, promotions, and offers here. Update 1/26/26: The prior $350 checking bonus has increased to a $500 offer valid through 12/31/26. TruStone Financial Bonuses Review TruStone Financial is a credit union in Minnesota and Wisconsin. There are over 100,00 members and 17 locations throughout these two states. They … Continue reading TruStone Financial Bonuses: $500 Checking Promotion (MN, WI)