Editorial Note: Credit Karma receives compensation from third-party advertisers, but that doesn’t affect our editors' opinions. Our marketing partners don’t review, approve or endorse our editorial content. It’s accurate to the best of our knowledge when it’s posted. Fortunately, some lenders will let you apply for a personal loan with a co-signer or co-borrower, which may improve your chances of getting approved or securing a more competitive interest rate. A co-signer agrees to pay back...