<prompt> Human: Many credit cards offer enrollment bonuses and cash back. Is there any reason someone cannot just purchase a high-ticket item with the credit card and then sell it for cash to use to pay it off? Therefore getting the CC rewards and bonuses, while building credit and paying on time?  <response>: You will usually lose money from the sales because you are not an authorized retailer warranty issues for the buyers so buyers are not willing to pay retail price. And if you do this consistently, you need to comply with your states sales tax laws. 