If you have multiple Savings Maximiser accounts, visit online banking or call us on 133 464 to check or change which Savings Maximiser account receives the additional variable rate (if eligible). ING can change or withdraw the additional variable rate at any time. If you’re looking for a bank to invest your savings in to earn very high-interest rates, check out Discover Bank. Currently, they are paying 1.70% for their online savings account which is among the highest offered anywhere. The account requires no minimum balance to open and charges no monthly maintenance fees. A high-yield savings account is a type of savings account that earns higher than average interest on the balance amount. With 360 Performance Savings, a high-yield savings account, you’ll earn 5X the national average savings rate on all balances, so you earn more with every dollar you save.