The answer to this is yes, banks survive on lending money to those in need at a certain interest rate, however for those individuals trying to make a positive mark on their credit score are also given loans however at a higher interest rate, in a way giving an individual an opportunity to make regular payments which in turn helps improve their score.
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All rates and fees, and other terms and conditions of the products mentioned in this article/post are actual as of the last update date but are subject to change. See the current products' Terms & Conditions on the issuing banks' websites.