Financing anything while trying to get approved for a mortgage loan can be tricky and risky. Here are some reasons why I would not want to finance anything while trying to get approved for a mortgage loan:
I want to make sure my credit score is in the best shape possible. Financing something while applying for a mortgage loan could be detrimental to my credit score. This could make it harder to get approved.
The bank wants to make sure you can make the payments on the loan. Financing something at the same time as applying for a mortgage loan could be a concern. It may be difficult to make the payments for both loans.
You want to make sure you have enough funds to cover the down payment. Financing something while trying to get approved for a mortgage loan could make it difficult to come up with the necessary funds for the down payment.