Include all variable expenses now, car maintenance, electricity, heating, these can vary throughout the year you need to calculate them and come up with an average monthly amount. None essential expenses like eating out coffee at Starbucks, weekend getaways, extravagant vacations, fancy clothing, motorcycles, ATV's, if you use them, write them down, realize these are wants, not needs. Now total these all up, fixed expenses, variable expenses, and non_essential expenses,there you now have your total expenses.
In order to track you spending you will need the following two budget worksheets: Weekly Expenses Report Worksheet _ On this worksheet you will record all the spending for a given week. You will want to have four copies of this worksheet for a given month. Carry it with you to record expenses or make a habit of recording expenses at the end of the day with your daily receipts. Make sure to include a description of the item, the date purchased, the amount and the expense category. You will also want to write down how you paid for the item whether by cash, check, or credit card. This will give you a very detailed report of your weekly spending.