Adding a personal/household profile as well as my business account
Thank you for posting in the Community. QuickBooks is intended for tracking a business, not for personal finances. Mixing business and personal funds can get tricky and thus it's not advisable. You can check this link for more information: Mixing business and personal funds.
However, I suggest checking out Mint, they track the personal expenses.
To add up, I'm sharing these links below that provide information about how to handle personal expenses in a business account and vice versa, in case you need them in the future: