Plain-English Investment Education

Investment education for thinking investors

Comprehensive UK and US guides on retirement, ISAs, SIPPs, IRAs, tax-efficient investing, and property. Built around primary sources, not soundbites. Edited by a real human, not a content farm.

Edited by James Heppe-Smith · Educational publisher, not authorised or regulated by the FCA (UK) or SEC (US).

The pieces we think are worth your half-hour right now.

UK Pensions & ISAs

ISA vs SIPP: the complete comparison

Which tax wrapper builds more wealth for you? Tax relief versus tax-free withdrawals, access ages, the 2026/27 dividend and pension-IHT changes that shift the balance, and an interactive calculator to model your own numbers.

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US Retirement

The complete 401(k) optimisation playbook

$35,750 contribution limits for ages 60-63, mega backdoor Roth at $72,000, Traditional vs Roth, mandatory Roth catch-up for $150k+ earners, expense ratios, and what to do at job changes. Built to add six figures to lifetime retirement savings.

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US & UK Tax

Tax-loss harvesting in the US and UK

Crystallise capital losses without tripping the US wash-sale rule or the UK 30-day bed-and-breakfasting restriction. 2026 figures, the ETF pairs that actually work, the ten mistakes that quietly destroy most harvesters’ tax benefit.

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UK Savings

Lifetime ISA: bonus, penalty and LISA vs pension

The £4,000 a year that earns a 25% government bonus, the withdrawal penalty that can leave you worse off than you started, and when a LISA beats a pension for a first home or for retirement. Plus what the 2026 first-time-buyer ISA consultation could change.

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US Early Retirement

The Roth conversion ladder

Convert Traditional to Roth in your low-income gap years, wait five years, then withdraw the converted amount penalty-free before 59 and a half. The sequence that funds early retirement, the five-year-clock trap, and how the 2026 brackets change the maths.

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UK Tax

Capital Gains Tax 2026/27: rates and the £3,000 allowance

The annual exempt amount is frozen at £3,000 for a fourth year, with gains taxed at 18% or 24%. How to use both spouses’ allowances, the bed-and-ISA move that shelters future gains, and when realising a gain this tax year beats waiting.

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US Estate & IRAs

Inherited IRA: the SECURE Act 10-year rule

Most non-spouse heirs must now empty an inherited IRA within 10 years, and from 2025 the IRS enforces annual withdrawals inside that window for many beneficiaries. Who is exempt, how the clock works, and the sequencing that keeps the tax bill down.

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UK Retirement

Annuities in 2026: are they finally worth it?

Annuity rates are at levels not seen in over a decade. What a £100,000 pot buys now, level versus inflation-linked versus joint-life, the enhanced rates that ill health can unlock, and how to weigh a guaranteed income against staying in drawdown.

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Browse by topic

Six topic areas where the site has real depth. Each card opens that category’s full archive.

Retirement Planning

FIRE planning, Roth conversions, withdrawal rates, healthcare bridges, and the maths behind retiring on your own timeline.

12 articles →

Tax Strategy

Tax-loss harvesting, asset location, Roth conversions, capital gains timing, and the IRS/HMRC rules that move real money.

9 articles →

Investment Strategies

Index funds vs active, three-fund portfolios, factor investing, asset allocation by age, and the strategies that hold up across decades.

11 articles →

IRAs & Tax-Advantaged Accounts

Traditional vs Roth, backdoor and mega-backdoor Roth, HSA investing, 401(k) optimisation, 529-to-Roth rollovers under SECURE 2.0.

8 articles →

Property Investment

Residential vs commercial, BTL economics, getting started with limited capital, the deal maths that determines whether a property pays.

7 articles →

UK Investing

ISAs, SIPPs, mortgage and gilt-yield context, FCA regulation news, and the UK-specific tax-efficient investing playbook.

Growing →
James Heppe-Smith, founder and editor of The Savvy Investor's Guide

Meet the editor

James Heppe-Smith

Founder and editor of The Savvy Investor’s Guide and Pension Plain. Writes about UK and US personal finance, retirement planning, tax-efficient investing, and property — for the kind of reader who wants the working, not just the conclusion.

Not a financial adviser. The Savvy Investor’s Guide is an educational publisher. We are not authorised or regulated by the FCA (UK) or the SEC (US), and our content does not constitute personalised financial, investment, tax, or legal advice. We cite primary sources, show the maths, and explain trade-offs. We don’t tell you what to do.

Latest articles

The six most recent guides from the blog.

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Also worth reading on Pension Plain

Our sister site covers UK public sector pension schemes in plain English. Two pieces that complement the Savvy Investor coverage.

Pension Plain

Pension inheritance tax from April 2027: what public sector members need to know

HMRC’s 11 May technical note explained for NHS, Teachers, Civil Service, AFPS, LGPS members. What is protected (the main DB pension), what is caught (AVC pots), and the new withholding-notice mechanism.

Read on Pension Plain →
Pension Plain

LGPS six megafunds: which pool is your fund in?

Border to Coast, LGPS Central, London CIV, LPP, Northern LGPS, Wales Pension Partnership. What pooling means for the £390bn LGPS, what changes in October 2026, and what (if anything) members will notice.

Read on Pension Plain →

Brand family

Also from James

Across UK public sector pensions, indie publishing, and the parent holding company.

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