How do I add a financial account manually?

To add a financial account manually:

Go to the "Overview" tab.
Swipe over to "Accounts."
Tap "Add account."
Select the type of account you'd like to add.
Tap "Manual" in the upper right corner.
Select the type, choose a nickname, and add the account balance.

In order to add an account manually, at least one non-manually linked account is required.