Guides written by the team, with the figures and the sources behind them. If you are weighing up a sale or a purchase in the valley, start here.

What does an apartment or a house really cost in the Arve valley and the Pays du Mont-Blanc? We go commune by commune through the median prices of sales actually signed, from the tax authority’s register — not agency estimates. Sallanches, Passy, Chamonix, Saint-Gervais, Megève: the gap runs from one to five between neighbouring communes.
The real budget, the running costs, mountain planning constraints, the surveys to insist on, and the classic traps of buying from a distance.
What a short-term let in the valley actually returns, and what managing it costs once the charges are deducted.
Second-home council tax, capital gains, splitting ownership, a family SCI (property-holding company): the trade-offs to understand before buying jointly.
Registering with the mairie, the registration number, the platforms, cleaning, linen and tax: how a seasonal let actually works.
The Swixim instruction, the commitments we put numbers to, and what happens if we do not meet them.
Put it to an adviser directly. It is usually quicker than an article.