FintrekHow to make a budget in 5 steps
Updated 28 October 2026
Most budgets fail because they are built from wishes instead of real numbers. These five steps start from what you actually earn and spend, so the plan survives the first month.
Step 1. Find your real monthly income
Use what actually lands in your account after taxes. If your income varies, take the lowest month of the last three — a budget built on a good month breaks in a bad one.
Step 2. Track one month before you plan
Write down every expense for a month without trying to change anything. It feels like a delay, but it is the fastest route to a budget you can keep: you will plan from facts, not guesses. See how to track your expenses.
Step 3. List your fixed costs
Rent, utilities, phone, insurance, subscriptions, loan payments — amounts that barely change. Subtract them from income: what remains is the money you actually decide about.
Step 4. Set limits for variable categories — with a buffer
Groceries, eating out, transport, fun, other. Start each limit at last month's real spending, then trim where it matters to you. Leave a small “other” line: something unexpected happens every month, and a budget without room for it feels broken by week two. Decide how much you want to keep each month and treat it as a category too.
Step 5. Check weekly, adjust monthly
Ten minutes a week: are any categories running ahead? Once a month: compare plan and actual, then adjust next month's limits. A budget is not a contract — it is a tool you tune.
If your money is in more than one currency
Pick one main currency for the plan and totals, record each expense in the currency you paid, and convert at the rate you actually got. Otherwise exchange-rate swings make your budget look over or under for reasons that have nothing to do with spending.
Tools that make it easier
A spreadsheet works if you keep it up: the free Fintrek budget template has categories with a monthly plan and a plan-vs-actual summary. If manual entry is the problem, Fintrek in Telegram records each expense from one message and shows plan vs actual per category in the dashboard.
Questions
How do I start a budget if I have never had one?
Track every expense for one month without changing anything, then set limits from those real numbers.
What if my income is irregular?
Plan with your lowest recent month and put anything above it into savings or a buffer for lean months.
How many categories should a budget have?
Eight to twelve is enough for most people. Fewer categories make the weekly check quick.
How often should I review my budget?
A short weekly check and a monthly adjustment. Most of the value comes from the weekly glance.