You may want to create a workbook with multiple sheets for various aspects of your budget. You can have one sheet that keeps track of savings and investments and another sheet that lists your monthly bills.
You might be providing an extremely valuable service to many, many people. Your spreadsheet might free up peoples time from boring and tedious administrative work to spend more time doing things they love. It might help keep businesses above water or help them reach for new heights. Your spreadsheet might even help to create jobs or at least keep people employed.
Undoubtedly, spreadsheets can help you improve the efficiency of your company regardless of the nature or size of your business. However, it is very important to note that the process of programming formulae and mathematical algorithms behind spreadsheet programs can be very complex and time consuming; one having to invest much effort to create the most appropriate spreadsheet solution for one's company.
Many spreadsheet applications nowadays have functionality above and beyond the traditional, offering a variety of charts, look-up tables, databases and more functionality than can be mentioned here.