The underlying principle is simple: a country offers the right to live there to overseas buyers who invest a qualifying amount in property. The qualifying amount varies widely across programmes, and legislators adjust it with limited notice.
An important distinction separates the right to reside and naturalisation. A residence permit allows you to live there, generally on a renewable basis, whereas a passport normally requires a long period of residence. A promise of nationality simply for an apartment purchase is a warning sign.
Beyond the investment itself, buy property in france these schemes come with extra obligations. Typical examples involve a clean criminal record, health cover, evidence of sufficient means and a required physical presence in the country per year. Ignoring a single condition can cost you the residency while you still own the home.
Tax residency is a separate question entirely. Having residency does not by itself make you taxable on worldwide income, and spending enough time in the country often does. Most jurisdictions rely on a day-count rule, and southeast anatolia real estate the effects touch foreign income.
The practical advice is the same everywhere: buy something you would be happy to own, with the permit as a secondary benefit. Such schemes close with limited notice, and an apartment bought only for paperwork becomes a poor asset once the rules change.