AI Guides › Workbench
By Nigel Guy · 8 min read
Most people judge progress by their payslip. Each pay rise lifts the car, the flat and the holidays with it, and a decade later the salary looks impressive while net worth has barely moved. Income is what flows through your account. Wealth is what stays. They are two different scoreboards, and only one of them pays for a career break, a divorce, a redundancy or a retirement.
The rule: track net worth, not salary, and add one small income stream at a time rather than chasing a big one.
It's written with women in mind: career breaks, part-time years and caring hit the second scoreboard hardest, and several tools below catch exactly those gaps.
| Tool | What it does | Cost at time of writing | Best for | Catch |
|---|---|---|---|---|
| Net-worth snapshot (spreadsheet + prompt) | Lists what you own minus what you owe | Free | Your starting line | Only honest if you include every debt |
| MoneyHelper budget planner | Totals income and spending, flags the gap | Free | Finding where money leaks | You have to gather statements first |
| Check your State Pension forecast (GOV.UK) | Shows what State Pension you're on track for and any gaps | Free | Spotting missing National Insurance years | Not available if you already get, or have deferred, your State Pension |
| Pension Tracing Service | Finds contact details for old workplace or personal schemes | Free to search | Pensions left behind at old jobs | It can't tell you whether a pension exists or what it's worth |
| ISA / Lifetime ISA | Tax-free wrappers for savings and investments | Free to open; providers charge fees | Keeping growth out of the tax net | Lifetime ISA has a 25% charge on most early withdrawals |
| HMRC trading allowance | First £1,000 of gross trading income a year is tax-free | Free | Testing a side income legally | Over £1,000 gross, you register for Self Assessment |
| An AI assistant (Claude, ChatGPT) | Runs the two prompts below | Free tiers exist; paid plans vary, check the pricing page | Structuring your thinking | It doesn't know UK tax rules for your case, and it can be wrong |
Open a spreadsheet with two columns: what you own (cash, ISAs, pension pots, home equity) and what you owe (mortgage, loans, credit cards, buy-now-pay-later, overdraft). Subtract one from the other. Date it. Repeat every three months. That number, moving in the right direction, is the scoreboard.
For a rough benchmark, Thomas Stanley and William Danko's 1996 book The Millionaire Next Door offered a rule of thumb: multiply your age by your pre-tax household income, divide by ten, and subtract any inheritance. Treat it as a conversation starter: it's US research from 1996 and ignores UK housing and pensions.
You are a careful personal-finance organiser, not a financial adviser. Your job is to turn my messy list of accounts into a clean net-worth snapshot.
My assets: [LIST: each account or asset and its current value in £]
My debts: [LIST: each debt, balance in £, and interest rate if known]
My age and household pre-tax income: [AGE] / [INCOME]
Steps:
1. Sort everything into Assets and Debts. Ask me about anything you can't classify rather than guessing.
2. Total each side and give my net worth.
3. Flag any debt with an interest rate above what my savings earn.
4. Work out the Stanley and Danko benchmark (age x income / 10) and show it next to my figure, with a one-line reminder that it's a rough US rule of thumb.
Output: a two-column table, the net-worth figure, then no more than three bullet observations.
Before you answer, check that every item I gave you appears exactly once and the arithmetic adds up.
Fill in your accounts, debts, age and income. Leave out account numbers.
MoneyHelper is the free, government-backed guidance service. Its budget planner asks you to enter income and outgoings, then tells you whether you have a surplus and what to do with it. Gather payslips, statements and bills first; guesses undercount.
On GOV.UK, search "Check your State Pension forecast". You'll sign in and may need photo ID. The forecast shows how much you could get, when, and whether you have gaps you could fill.
A trap worth knowing: if you're registered for Child Benefit for a child under 12, you get Class 3 National Insurance credits automatically, even if you've chosen not to receive the payments. Higher earners sometimes skip the claim entirely because of the tax charge and lose the credits. If you or your partner stays home with children, make sure the person not earning is the one registered.
If you've changed jobs a few times, you probably have small pots you've forgotten. The Pension Tracing Service gives you contact details for a scheme from the employer or provider name. It won't tell you whether you're a member or what the pot is worth; you contact the scheme for that. Use GOV.UK's "Find pension contact details" page, or phone the number listed there.
At time of writing, you can put up to £20,000 a year across all your ISAs in the 2026 to 2027 tax year. A Lifetime ISA lets you pay in up to £4,000 a year (counting towards that £20,000) and the government adds a 25% bonus, up to £1,000 a year. You must open it and make your first payment before 40, and contributions stop at 50.
The catch is real: take money out for anything other than a first home, turning 60 or terminal illness, and you pay a 25% charge on the amount withdrawn. That claws back the bonus and a slice of your own money, so only use one for money you won't need.
One salary is one point of failure. The goal here isn't a business; it's a second, small stream you can test this month. HMRC's trading allowance means the first £1,000 of gross trading income in a tax year is tax-free. Above that, you must register for Self Assessment by 5 October after the end of the tax year. If you sell through an online platform, it may report your sales to HMRC; GOV.UK says sellers of goods under about €2,000 (roughly £1,700) and fewer than 30 sales a year aren't reported, but that exemption doesn't cover services or rentals.
You are a practical side-income coach. I want one small, real income stream, not a business plan.
About me: [DESCRIBE: your job, skills people regularly ask you for help with, things you've organised or built for free]
Hours I can give each week: [HOURS]
Things I won't do: [LIMITS, e.g. no selling to friends, no upfront spend over £50]
Steps:
1. List my current income sources plainly. If there's only one, say so.
2. Pick the one skill from what I wrote that someone would most plausibly pay for within a month. Explain why in two sentences.
3. Describe the smallest paid version I could offer to a single named type of person this week: what it is, the price range to test, and how I'd ask.
4. Name the most likely reason I'll give up, and give me one specific plan for it.
5. Remind me that income over £1,000 gross a year means registering for Self Assessment.
If anything I've given you is too vague to choose from, ask me up to three questions before answering.
Output: short headed sections, under 300 words total.
Check before you answer: is the offer small enough to deliver within the hours I gave you?
Fill in your work, spare hours and hard limits.
Start with the net-worth snapshot and State Pension forecast this week; they show where you actually stand. If money vanishes every month, do the budget planner next. If you already save but live on one salary, go to the income-stream prompt. Open a Lifetime ISA only if you're under 40 and the money is earmarked for a first home or retirement.