The purpose of a business plan has noting to do with keep track of your goal. Go buy a book and READ about setting up a business, understanding your market, developing a competitive assessment, understanding your barriers to entry, advertising and the many, many other facets of a business plan that have nothing to do with an Excel spreadsheet.
Business that fail rarely due to a poor spreadsheet. They often fail due to a poor, incomplete or innacurate business plan.
Step one for you is to start by understanding what a business plan is.
If you try to cheap your way past it the outcome will reflect that.