<prompt> Human: I was attempting to make a small purchase on eBay for 10 and was trying to make the payment with my PayPal account. This PayPal account is connected to my checking account. Well, from the purchase screen on eBay Im asked to log into my PayPal account. During the log in process they ask you if you want to apply for a credit line. This button is ABOVE the Continue and Pay option. Thinking that I was clicking on Continue and Pay Im all of a sudden answering date of birth questions and SSN. Here Im still thinking that Im logging into PayPal when really Im applying for their credit line. Wham Bam, Im approved for 700. I didnt want to apply, I didnt want the credit line, and I have bad credit why would they approve me?! WTF? So my question here is what is my wisest course of action? Keep the credit line and dont use it? Use it and pay on time? Not preferable because I have bad habits that Im trying to correct. Or contact PayPal and explain the mistake, hopefully in an effort to undo it before any damage is done. Im basically in damage control at this point. Im kind of pissed firstly at myself for not paying closer attention to what I was clicking, and secondly pissed at PayPal for making it easier to find the apply here for credit than a proceed to checkout option. I use my eBay account maybe once or twice a year. FML. Advice?EDIT: Thank you to the users uakadaisy and uReasonable_Roger who specifically answered my question. I can handle the downvotes as long as the information I was looking for is granted. As for shaming and belittling, par for the course on Reddit although I never knew that rpersonalfinance was only a place for the most knowledgeable people to post and that admitting mistakes and seeking information from experts was such a horrible thing. Im not good at PF, have subscribed recently in order to learn something and attempt to fix my situation, learn good habits and plan for my future. So as the title suggests, IAmAnIdiot who screwed up and appreciates the objective feedback.  <response>: Once opened it cant really be undone, so take that off the table.If youre trying to break some bad habits Id keep it open and just not use it note: if you paid for your small purchase with this account pay that bill ASAP when it arrives!. The card will sit on your credit report getting older and improving your average age of accounts even if you dont use it. 