The consequences of not paying a bad check fee or late fees on a credit card balance transfer can vary depending on the terms and conditions of the credit card agreement and the policies of the financial institution that issued the card.

In general, not paying these fees on time can result in a negative impact on your credit score and an accumulation of additional fees and interest charges. Late payments can also result in penalties, such as increased interest rates, reduced credit limits, and potential account closure.

If you fail to pay your credit card balance transfer on time, your account may be subject to collection efforts, including phone calls, letters, and even legal action. In extreme cases, this can result in wage garnishment or liens against your property.

In the case of a bad check fee, if you fail to pay it, the financial institution may report the check to a collection agency or to a credit bureau, which can negatively impact your credit score and make it more difficult to obtain credit in the future.

Overall, it is important to pay any fees associated with credit card balance transfers or bad checks on time to avoid negative consequences and maintain a good credit standing.