This tax season, many tax preparers will advertise instant money through tax refund advance services. In reality individuals who receive a tax refund advance are borrowing money at a very high price. A tax refund advance is a short-term money advance, similar to a payday loan. Both tax refund and payday loans are some of the most expensive ways to borrow money. The Consumer Action website, reports annual percentage rates as high as 774 percent for tax refund advance loans.