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DIY Investing vs Hiring a Financial Adviser: Who Comes Out Ahead?
Practical Investing Kieran Cook Practical Investing Kieran Cook

DIY Investing vs Hiring a Financial Adviser: Who Comes Out Ahead?

DIY investing has never been easier. With low-cost index funds, digital platforms, and a wealth of financial content online, going it alone is now a real option. But just because you can manage your money yourself, does that mean you should?

Research suggests that investors who work with a financial adviser often end up better off—not because of superior fund picking, but because advisers provide structure, planning, and behavioural discipline. Studies show that advised households accumulate significantly more wealth over time, with UK data from the International Longevity Centre showing gains of over £40,000 in total assets for those who took advice.

This post explores the real value of financial advice: from detailed lifetime cash flow modelling and tax optimisation, to helping clients avoid poor decisions during market turmoil. The goal isn’t outperformance—it’s clarity, confidence, and long-term alignment.

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When Asymmetry Changes Everything: Rethinking Factors in a Frictional World
Practical Investing Kieran Cook Practical Investing Kieran Cook

When Asymmetry Changes Everything: Rethinking Factors in a Frictional World

Factor investing often relies on neat, long–short academic constructions that assume away the messiness of real markets. But what happens when we strip away the elegance and impose real-world constraints—no shorting, limited leverage, and actual transaction costs? Van Vliet et al. (2025) take on this challenge and deliver a striking conclusion: many celebrated factor premia fall apart under friction, but low-volatility survives—and thrives. It is not just an anomaly, but a resilient source of risk-adjusted returns in long-only portfolios. In the debate between factor purity and practical implementation, low-volatility may be the quiet winner.

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Smarter Indexing, Better Results: 10 Reasons to Consider Dimensional and Avantis
Practical Investing Kieran Cook Practical Investing Kieran Cook

Smarter Indexing, Better Results: 10 Reasons to Consider Dimensional and Avantis

At first glance, portfolios from Dimensional Fund Advisors (DFA) and Avantis Investors may look similar to traditional index funds. They are broadly diversified, low-cost, and systematic in their approach. But beneath the surface lies a crucial difference: these firms are not content with simply tracking the market. Instead, they intentionally tilt their portfolios towards sources of higher expected returns, aiming to deliver performance beyond that of a typical market-cap-weighted index like those offered by Vanguard.

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The ESG & Ethical Trade-off: Lower Returns for a Cleaner Conscience?
Practical Investing Kieran Cook Practical Investing Kieran Cook

The ESG & Ethical Trade-off: Lower Returns for a Cleaner Conscience?

ESG and ethical investing have gone mainstream, but beneath the marketing lies a hard truth: investors must choose between three goals—value alignment, real-world impact, and maximising returns. You can’t reliably have all three.

Avoiding ‘brown’ stocks may align with personal ethics, but it often comes at the cost of lower expected returns. And whilst some ESG funds claim to outperform, much of this can be explained by common risk factor exposures like quality or profitability.

For those seeking real impact, it may be more effective to invest broadly and donate the excess return to high-impact causes. ESG offers peace of mind—but not a free lunch.

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