👉 In the context of personal finance, a "roundup" is a financial transaction where an individual borrows money to pay off debts or make other expenses. It's like borrowing from your bank account at a rate that you don't know exactly how much it will cost in interest over time. For example, if you borrow $1000 and the annual percentage rate ( APR) is 5%, then you would add up the monthly payments for a year to get the total amount of money