While you should always look to be keeping your expenses and debt as low as possible. You can only cut so much. You will always have some expenses. That's just life; food, clothes, transportation, etc.
So what do you do once you have cut any expenses you can to grow your net worth. Increase your income. Which means you have more money to invest for your future. If you are looking to get out of the 9 to 5 then one of the quickest way to achieve that is by increasing your savings rate.