Posted to on 11:29:27 - 04/01/15 (4 month ago)
Not sure why the above has been disliked.
It is a pretty good answer.....
I use a daily spreadsheet to keep track of income and outgoings.
It's quite simple to work out daily profits.
Total Sales - Total Expenses (wages, advertising, training cost, shipment costs etc..).
Have fun :)