One of the easiest ways to destroy your credit score is not to pay your bills. It seems obvious, but one of the most important parts to your credit report is your repayment history. If you don’t pay your bills, even the minimum monthly payment, then eventually all the bills you haven’t paid in 90+ days will go into collections, dragging your score down even more. Eventually, if you don’t pay any credit card bills or mortgage payments, you could get so behind that you have to declare bankruptcy which damages your credit for both the short and long term.
Maxing out all your credit cards, or spending past the limit, also ruins your score. Applying for new cards also affects it. Ten percent of your credit score is based on how many new accounts you’ve applied for recently. Applying for every credit card you hear about or see will definitely help destroy your credit.