Fixed expenses are those costs that you understand you will be paying each month. Some examples of fixed costs are home loan payments, insurance premiums, tuition for you or your child, orthodontic payments, and prescription medication expenses. Needed expenditures may not correspond however are still items or services that need to be purchased. Emergency situation space expenses, oil modifications, and the expense of a replacement water heating system are potential necessary expenditures that might be sustained during any offered month.