Never accept a check from somebody who is basically a stranger, and possibly will stop payment or have insufficient funds on deposit in the account to cover the check. (biggerpockets.com)
If you have funds on deposit at a small bank or credit union, it may be worth asking if you can borrow against them. (nerdwallet.com)
If your checking account has insufficient funds on deposit, we will advance enough money (up to your maximum credit limit) to cover any clearing items. (granite.org)