If you have defaulted on debt payments, the original creditor or lender may "charge off" your debt and sell it to a debt buyer. Debt buyers purchase defaulted debts in bulk, often for pennies on the dollar. When a debt buyer purchases your debt it can try to collect it from you. In recent years the debt buyer business has exploded, and so have complaints about the collection practices used by debt buyers. Below you can learn more about the debt buyer industry, some of the problems consumers have encountered with debt buyers, defenses to raise if a debt buyer sues you, and more.