Residual income is an income that can be passive. The calculation determines how much profit or excess income is available after all expenses are paid off. It is the leftover money we have after we have paid off any personal or business debt.
Personal Residual Income:
In personal finance, residual income is the disposable income. You can calculate your residual income every month by taking what is left over after paying all debts. This debt-to-income ratio is critical when looking to get loans from banks and lending services.