Why we tell beginners to ignore "save six months of expenses" - at least at first
"Save six months of expenses" is probably the most repeated piece of money advice there is. It's also, in our experience teaching beginners, one of the least useful things you can say to someone who hasn't started.
Not because it's wrong. As a destination it's sound. The problem is that it gets delivered as an instruction for this week, when it's actually a finish line several years away - and a target that distant doesn't create motivation. It creates permission to postpone. If the goal takes two years to reach, this month's small contribution feels irrelevant, so it doesn't happen.
What we suggest instead as a first target: whatever your own most likely surprise actually costs.
Not a multiple of your income - the size of the specific thing that would otherwise wreck your month. For one person that's a vet bill, for another a phone screen, a car part, a dental appointment, an insurance excess. Look at what has genuinely gone wrong for you in the last couple of years and the number is usually obvious.
Why that first buffer does most of the work
The return on a buffer is heavily front-loaded. The first one changes far more than the fifth.
- Without one, a surprise is a crisis. Something in the plan has to give - a bill slides, a card gets used, a category gets raided. And the damage that lasts usually isn't the expense. It's that the plan visibly failed, so it stops being followed. Most abandoned budgets die in the week of an unplanned expense, not in a week of overspending.
- With one, the same surprise is an inconvenience. Money leaves the buffer, the buffer gets refilled over the following weeks, nothing else moves.
Same event, completely different aftermath. That shift happens at the first milestone, not the final one - which is exactly why the six-month framing is such a poor motivator.
Two things that trip people up
Where to keep it. Separate from daily spending, so it isn't quietly absorbed by ordinary weeks - but reachable within a day or two. A buffer you can't get to during an actual emergency isn't doing its job.
Spending it isn't failure. This is where a lot of people quit. Using the fund for the exact thing it existed for means the system worked. That's a completed transaction, not a relapse. Refill it and carry on.
Where this doesn't apply
A buffer is built out of slack between income and essentials. Where that slack doesn't exist, no sequencing trick creates it - the real problem is income or fixed costs, and a budget can only make it visible. We'd rather say that plainly than pretend a framework solves it.
The multiple-of-income guidance also isn't wrong, it's just badly sequenced. Once the habit exists and you know your own risk picture - income stability, dependants, what your insurance already covers - sizing by months of expenses is exactly the right conversation. It's just the second one.
Open question for the community: if you've built a buffer, what was your first target - a round number, or something specific to your own life? And for anyone who hasn't started yet: what's the thing that most often goes wrong for you?
We're Finelo - we build financial education for beginners. This is educational content, not financial advice, and there are deliberately no amounts in this post: work your own out from your own history rather than from anything you read online, including us.