The basic idea is straightforward: a government grants the right to live there to non-citizens who invest a set amount in local real estate. The qualifying amount differs greatly from country to country, and abu dhabi real estate legislators change it with limited notice.
One key point separates the right to reside and citizenship. Residency lets you live in the country, generally subject to renewal, whereas full nationality usually demands years of actual residence. Any offer of a passport in exchange for an apartment purchase is a warning sign.
Past the headline threshold, programmes come with additional requirements. Frequent requirements cover a clean criminal record, health cover, evidence of sufficient means and a required physical presence in the country per year. Ignoring one of these can jeopardise the status regardless of the property.
Tax status is an entirely separate matter. Owning split-dalmatia property prices does not by itself make you liable for local income tax, though spending enough time in the country frequently does. Most jurisdictions apply a threshold based on days spent locally, and the implications touch income earned elsewhere.
The practical advice remains the same everywhere: choose the iskele property prices first, and let the permit be the second reason. These routes are suspended from time to time, and a home selected purely for the status can be a poor asset once the rules change.