Increasing the total amount of WBS elements increase the management time essential to keep up the schedule and upgrade plans. The absolute simplest method would be to just make a list of the sales income and another collection of the purchase expenses. If you want to procure more info, click the logo below. Or in the beginning, you are able to make easy spreadsheet document to keep an eye on your expenditures and income. Simple spreadsheets you can set up using applications such as Microsoft Excel can help you keep on top of it all.