Plain InvestingStart learning

The learning path

Nine guides, in order, from your first investment to refining a strategy. Follow it start to finish, or jump straight to the level that matches where you are.

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Beginner
1
Platforms

Vanguard vs Hargreaves Lansdown UK: Which Platform Should You Choose?

Vanguard and Hargreaves Lansdown are two of the UK's biggest investing platforms, but they work very differently. This guide compares fees, fund choice, ISAs, and which suits different types of investor.

2
ISAs

How to Open a Stocks and Shares ISA in the UK: Complete Step-by-Step Guide

Opening a stocks and shares ISA takes about 15 minutes online. You'll need your National Insurance number, proof of identity, and a UK bank account. This guide walks you through choosing a provider, checking your eligibility, and funding your account.

3
Getting started

How to Start Investing in the UK: A Complete Beginner’s Guide

Starting to invest is less about picking the perfect stock and more about getting a few basics in place first. Here is the actual order of operations.

4
Getting started

How Much Money Do You Need to Start Investing?

The honest answer is "less than you think, but only after two things are sorted". Here is the real starting checklist and what small monthly amounts actually grow into.

5
Getting started

How Much Should You Invest Each Month?

There is no single right amount to invest each month — but there is a sensible order to work through before deciding on a figure. Here is how to think about it.

6
Getting started

Compound Growth: The Only Investing Maths That Really Matters

Compounding is growth earning growth. The maths is simple; the implications — start early, stay in, let it run — are what separate successful investors from busy ones.

7
ISAs

What Is a Stocks and Shares ISA?

A Stocks and Shares ISA is a tax-efficient wrapper for investments, not an investment in itself. Here is what that actually means.

8
ISAs

Cash ISA vs Stocks & Shares ISA: Which Should You Actually Use?

The cash vs stocks & shares ISA question has an unusually clean answer — it depends almost entirely on when you will need the money.

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ISAs

ISA Allowance Explained: How Much Can You Put In Each Year?

The ISA allowance is a yearly limit on how much you can shelter from tax across all your ISAs combined. Here is how it actually works.

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ISAs

The Lifetime ISA: Free Money With Sharp Edges

The government adds 25% to LISA savings — up to £1,000 free per year. The catches are real but navigable, and one of them is a ticking property-price cap.

11
Index funds

Index Funds Explained: The Simplest Way to Invest

An index fund lets you invest in hundreds of companies at once, without picking any yourself. Here is how that actually works.

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Index funds

ETFs vs Index Funds: The Difference (and Whether It Matters)

Both track an index cheaply; one trades like a share, one prices once a day. For most UK monthly investors the platform’s fee structure decides it.

13
Getting started

Dividends: What They Are and Why Reinvesting Them Matters

Dividends are your share of company profits, paid in cash. Reinvested, they quietly drive a huge share of long-term stock market returns.

14
Getting started

When Markets Crash: What Actually Happens and What to Do

Your fund will fall 30% at some point — that is a promise. What separates investors who compound from those who lock in losses is what they do next.

15
Getting started

The 8 Investing Mistakes That Actually Cost People Money

Not the theoretical mistakes — the ones that actually show up in ruined returns, ranked by damage done, each with its one-line fix.

16
ISAs

Junior ISAs: Investing for Your Children Properly

A child’s time horizon is the most valuable asset in investing. The Junior ISA harnesses it — with one catch arriving on their 18th birthday.

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Intermediate
17
Portfolio building

Diversification: Why Spreading Your Risk Actually Works

Diversification is often called the only free lunch in investing. Here is why spreading risk actually works, not just why people say it does.

18
Index funds

Active vs Passive Investing: What Is the Difference?

Once you understand index funds, the natural next question is whether trying to beat the market (active) is worth it over simply matching it (passive). Here is how to think about that choice.

19
Getting started

Lump Sum or Drip-Feed: How to Invest a Windfall

The maths says invest it all now. Your nerves say spread it out. Both answers are defensible — here is how to choose the one you will actually stick to.

20
Portfolio building

Bonds: What They Are and Why Portfolios Hold Them

Bonds are loans you make in exchange for fixed interest — the classic ballast in a portfolio. How they work, what went wrong in 2022, and how much you need.

21
Tax-efficient saving

ISA vs Pension: Which Should You Prioritise?

Both ISAs and pensions offer real tax advantages for investing, but they work very differently. Here is how to think through which to prioritise.

22
Platforms

How to Compare Investment Platforms

There is no single "best" investment platform for everyone. Here is what actually matters when you compare your options.

23
Platforms

Investment Platform Fees Explained: What You Are Actually Paying

Comparing platforms by a single headline fee misses the point — there are usually several different charges stacked together. Here is what each one actually covers.

24
Tax-efficient saving

Capital Gains Tax on Investments: The £3,000 Question

The CGT allowance has shrunk from £12,300 to £3,000 — ordinary investors now meet a tax that used to be for the wealthy. How it works and how to legally minimise it.