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.
For pure data analysis, the spreadsheet is, indeed, king. To a point...Despite all of these extremely powerful features, the spreadsheet has limitations, which tend to manifest when you least expect it. Often, Murphy's Law applies and the spreadsheet falls over when you are right in the middle of a major undertaking, like month-end or meeting a tight deadline.
In order to ensure that you are provided with high-quality spreadsheet solutions and that they are 100 percent compatible with the profile and size of your business, you need to possess performing, state-of-the-art spreadsheet programs. However, it is important to note that the entire process of designing and creating your own spreadsheet solutions by using spreadsheet-generating programs is time consuming and requires a good level of expertise. Without the help of a specialized team of experienced programmers and mathematicians, the process of obtaining efficient spreadsheet solutions can be very challenging.
You'll need to develop good marketing material. Things like demo videos, which you can find plenty examples on YouTube, screenshots, and keyword rich descriptive text help people find your spreadsheet and communicate the value that sets yours a level above the rest. Excelville.com actually allows you to upload your spreadsheet with all of this marketing material in an easily searchable and user friendly website.
spreadsheet templates for tracking
what is a spreadsheet used for