These are the pros and cons of selling spreadsheets. The real beauty in this idea is that you could do the work once and there is no limit to how much you can earn, especially with effective use of the internet and other mass communication tools.
If you have Microsoft Excel, you can create budgeting spreadsheets to help you manage your money. Instead of buying expensive software that will only be used for your budget, spreadsheets can be used for a variety of tasks. If you don't have Excel, you can find free spreadsheet applications online in which to manage your budget.
"Spreadsheets for Actors" comprises a wide variety of programmed spreadsheets especially created for professionals in the entertainment industry. Whether you are an actor, producer, editor or director, you will greatly benefit from the "Spreadsheets for Actors" package. The "Spreadsheets for Actors" package facilitates a series of processes, ranging from creating and managing budgets to keeping track of unpredictable income and expenses.
You'll need to include more than a basic level of development and calculation in your spreadsheet. There are lots of free spreadsheets on the web. Most of which are very simple and easy to build. People aren't going to buy a spreadsheet that they can get for free. Take yours to the next level by adding all the value you can imagine. Then research on how you can offer a little bit more on the development and functionality side.