Most spreadsheet applications have built in formulas and functions that will do the math for you so you don't have to. You can keep a running balance of your accounts and you can have each category totaled as well. You can keep it as simple or make it as sophisticated as you please.
Not dynamic : Data ranges become redundant when new records are added, resulting in established formulae needing to be altered. Overlooking these errors can be embarrassing and downright expensive, especially if important decisions are being made based on the data.
On the other hand, to hire and permanently maintain a team in charge of creating the right spreadsheet solutions for your business would be very costly. Added with the costs of regular spreadsheet-generating program purchases, the costs involved by forming and keeping a well-trained team of spreadsheet designers in your company can generate considerable financial losses to the business you are running, especially when you are the owner of a struggling micro-business. To eliminate the problems behind spreadsheet designing, the best option is to purchase high-quality ready-made spreadsheet solutions from a specialized, reliable provider.
Selling spreadsheets helps you to build a catalog of spreadsheets that you can take with you and use in various areas of your life. Spreadsheets built for sale are usually built for flexibility and would be customizable to your life, or job, or new life, or new job.