Debtors with property such as a home or car may get a lower rate through a secured loan using their property as collateral. Then the total interest and the total cash flow paid towards the debt is lower allowing the debt to be paid off sooner, incurring less interest. In practice, many people are in credit card debt because they spend more than their income. If that habit continues, the consolidation will not benefit them much because they will simply increase their credit card balances again.

Because of the theoretical advantage that debt consolidation offers a consumer that has high interest debt balances, companies can take advantage of that benefit of refinancing to charge very high fees in the debt consolidation loan. Sometimes these fees are near the state maximum for mortgage fees. In addition, some unscrupulous companies will knowingly wait until a client has backed themselves into a corner and must refinance in order to consolidate and pay off bills that they are behind on the payments. If the client does not refinance they may lose their house, so they are willing to pay any allowable fee to complete the debt consolidation. In some cases the situation is that the client does not have enough time to shop for another lender with lower fees and may not even be fully aware of them. This practice is known as predatory lending. Certainly many, if not most, debt consolidation transactions do not involve predatory lending