What monthly expenses should you include in a budget?
Start with housing, utilities, food, transportation, insurance, debt payments, health costs, personal and household supplies, subscriptions, children or pets if you have them, giving, and personal spending money. Then add the costs that are not monthly at all — annual premiums, registrations, holidays, car maintenance, gifts — divided by the months until they are due. Those irregular ones are what break budgets that list only monthly bills.
The monthly list
Housing: rent or mortgage, HOA or condo fees, renters or homeowners insurance if you pay it monthly, property tax if it is not escrowed. Utilities: electricity, gas, water, sewer, trash, internet, mobile phone. Food: groceries, eating out, coffee, lunches at work. Transportation: fuel, transit fares, parking, tolls, car payment, car insurance, routine maintenance. Health and insurance: premiums not already deducted from your pay, copays, prescriptions, dental, vision. Debt: minimum payments on cards, student loans, personal loans. Personal and household: haircuts, toiletries, cleaning supplies, laundry, clothing. Subscriptions and memberships: streaming, music, cloud storage, gym, apps, news. People and animals: childcare, school costs, activities, pet food, vet. Giving: donations, tithing, money sent to family. And money for you: a personal spending envelope that nobody has to justify.
The expenses people forget
These are the ones that arrive quarterly, annually, or once in a while, and they are the reason otherwise sensible budgets fall apart. Insurance premiums billed every six or twelve months. Vehicle registration and inspection. Taxes that are not withheld. Holidays, birthdays, weddings, and gifts. Back-to-school costs. Car maintenance and tires. Home repairs and appliance replacement. Medical deductibles and one-off procedures. Travel and visits home. Professional licenses, union dues, and certifications. Pet vaccinations and boarding. Replacing a phone or a laptop when it dies, which it will.
Turn the irregular ones into monthly numbers
For each irregular expense, take the total and divide by the number of months until it is next due. A premium of $600 due in ten months is $60 a month. Fund that amount into a sinking fund envelope every month and leave it alone. When the bill arrives the money is already sitting there, and the month it lands in is ordinary. This one step converts the category of expenses that wrecks budgets into the category that never gets mentioned again.
Check your own statements before trusting any list
Treat this list as a prompt, not as your budget. Go through three months of statements for the recurring things and a full twelve months for the annual charges, because a subscription that renews once a year is invisible in a three-month review and is exactly the kind of charge people are surprised by. Your real list will include things no article would guess and exclude plenty of what is written above.
What to leave off
Do not list anything already deducted from your paycheck before it reaches you — if you budget take-home pay, those amounts have already been handled and listing them double-counts. Do not create a monthly category for something you buy twice a year; that belongs in a sinking fund, not in your working envelopes. And do not create a category for a purchase you made once and are unlikely to repeat. The list is for completeness; the budget is for decisions.
Turn the list into a smaller set of envelopes
A complete expense list is longer than a workable envelope set, and that is fine — they are different documents. Group the fixed automatic bills into one or two envelopes, because you cannot influence them at the moment of purchase. Give separate envelopes only to the spending you actually decide on in the moment: groceries, eating out, fun, personal. That usually lands at six to ten envelopes, plus your sinking funds sitting quietly beside them. In Envelope Budget, the first-run job is exactly this: take your list, fund the envelopes for one month, and log against them before you change any number.
Common questions
How many of these need their own envelope?
Far fewer than the list contains. Six to ten envelopes covers most people. The list exists so you do not forget a cost; envelopes exist so you can make decisions, and you only need a separate envelope where there is a decision to make.
Should savings be a line in the budget?
Yes, treat contributions to savings and goals as a funded line rather than as whatever is left at the end. What is left at the end is usually nothing, which is why budgets that treat saving as a remainder rarely produce any.
What about things already taken out of my paycheck?
Leave them out. Budget the number that lands in your account. Retirement contributions, insurance premiums, and taxes withheld at source are already spent before you see the money, and adding them to the budget makes it look like you have less to work with than you do.
Run this budget on your phone
Envelope Budget is a cash envelope budgeting app for iPhone. Manual entry by design — the moment you log a purchase is the moment you notice it.
Get Envelope BudgetiPhone · manual entry, no bank connection · 7-day free trial