When you receive some extra money it may be difficult to determine whether you should invest the funds or use them to retire debt. Financial theory recommends that if your after-tax return on investments is greater than your after-tax cost of debt then you should invest.
A working spouse can provide additional needed household income. However, when making your decision, you need to look at the net income generated by a working spouse not simply the gross income. Factors such as health insurance savings, increased daycare expenses, additional transportation costs, etc. need to be considered.
Over time your net worth will change as your assets earn interest or are depleted and your liabilities increase or decrease. Use this calculator to estimate what your net worth could be in the future based on specified growth rates.
Businesses generate a sources and uses of cash statement to evaluate their income and expenses and to check profitability. Similarly, a cash flow statement can help you evaluate your personal income and expenses and see if you are running 'in the red or the black' each month.