So far I have tried Car Loan, College Tuition, Property Taxes and Apartment Rent and all have posted as 3x. However, I always make a payment of $10 first to a new vendor and make sure it posts as 3x before making the larger full payment. You don't have to wait for the statement to close.to find out if you got 3x for that transaction by logging into the chase website and checking once the transaction moves from pending to posted (usually within 48 hours).