Not paying your bills on time can make your debt end up in collections. For example, if you become delinquent on a debt, whether it is a medical bill or credit card bill, this type of debt can end up at a collections agency who will then try to recover that lost debt. Checking your credit score for free with Credit Sesame to see your credit standing and whether you have anything negative on your report.
Assuming there has been no activity on the account, it should come off your credit report 7 years and 180 days after it first went late. You are probably right that the account keeps getting resold. Those sometimes sell for pennies on the dollar, and the collectors may come after people who are no longer legally required to pay. You can read more here: Does Your Old Debt Have an Expiration Date?
A credit report includes information on where you live, how you pay your bills, and whether you’ve been sued or have filed for bankruptcy. Nationwide credit reporting companies sell the information in your report to creditors, insurers, employers, and other businesses that use it to evaluate your applications for credit, insurance, employment, or renting a home.