How to stress-test short-term rental income in your city using occupancy shocks and market comps to decide between Airbnb and long-term leasing

I often find that the paperwork around the French contribution exceptionnelle sur les hauts revenus (CEHR) creates more anxiety than it needs to. If, like many readers, you want to déclarer correctement la contribution sur hauts revenus, this article is written from my hands-on perspective to walk you through the rules, the calculations, and the traps I’ve seen clients and colleagues fall into. I’ll stay practical and give the exact fields...

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I remember the first time I explored the fine print of the French income tax return: the forms are full of little boxes that can meaningfully change your tax bill if you know what to put where. One of those is déductions fiscales à inscrire en case 6qs — a phrase that, when translated into practice, often means the difference between leaving money on the table and lowering your taxable income legitimately.What is case 6QS and why I care...

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When I think about replacing an active small-cap value sleeve in a long-term portfolio, I look for a few non-negotiables: true value exposure (not just “small-cap”), low and predictable costs, tight tracking to a transparent index, and the right trade-offs for liquidity and turnover. Vanguard and BlackRock each offer solid passive ETF options that can replicate — and in many cases improve — the exposures delivered by active managers,...

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When I first explored rental arbitrage, I treated it like a financial experiment: could I capture the upfront cash flow benefits of short-term rentals without the capital barrier of buying properties? The answer, with the right strategy and partners, was yes — and one of the most reliable ways to scale that approach has been to pair rental arbitrage with Airbnb Plus. In this article I’ll walk you through what works, what doesn’t, and the...

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Holding a concentrated position in Bitcoin can feel like sitting on a rocket and a landmine at the same time: you want exposure to potential upside, but you also worry about the volatility and the tax bill if you liquidate. Over the years I’ve worked with investors who faced exactly this dilemma: how to convert a large crypto holding into a diversified, income-generating sleeve of a portfolio while avoiding a one-time, massive capital gains...

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I run stress tests on real estate portfolios as a habit — not because I expect the worst, but because clarity in bad times makes good decisions easier. Below I walk you through a practical, repeatable playbook for answering a stark question: what happens to your portfolio if 30% of income-producing real estate turns vacant? I'll use plain metrics, a simple worked example, and concrete actions you can take today to strengthen cashflow...

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I recently ran a portfolio experiment that I think will be useful for many of you: shifting 10% of an equity allocation into short-duration commercial loans and tracking what happens to returns, liquidity, and performance under stress. I’m sharing the results, my assumptions, and practical takeaways so you can judge whether this trade-off makes sense for your own portfolio.Why consider short-duration commercial loans?Equities offer growth, but...

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Converting an urban rental from a long-term lease to short-term (Airbnb-style) can feel like swapping a slow, steady annuity for a high-volatility growth asset. I’ve run the numbers on dozens of properties and the difference isn’t just about nightly rates — it’s driven by occupancy patterns, operating intensity, taxes, and how you value time and risk. Below I walk through the exact metrics I use to decide when a short-term rental (STR)...

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I want to share a practical, low-touch workflow I use for tax-loss harvesting across multiple taxable accounts using only free tools. If you're like me — juggling brokerage accounts, ETFs, and a full-time job — it helps to automate the repetitive parts, keep clear records, and only intervene when a real opportunity appears. Below I walk through the process I set up, the tools I rely on, how I avoid wash sales, and a simple logging template...

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Using a home equity line of credit (HELOC) to acquire a rental property can feel like a clever shortcut: tap into the equity you've built, move quickly on a deal, and accelerate portfolio growth. I've used — and analyzed — this approach many times with clients and in my own models. It's powerful when done deliberately, but it can also amplify risk if you treat it like free money. Below I walk through how I evaluate HELOCs as part of a...

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