The core mechanism is simple: a country offers residency rights to non-citizens who invest a set amount in housing. The minimum investment differs greatly across programmes, and legislators adjust it with limited notice.
A crucial distinction divides a residence permit and naturalisation. Residency gives you the right to live in the country, typically on a renewable basis, but full nationality normally requires a long period of residence. An agent's promise of nationality buy land in karaoglanoglu return for buying an apartment is a red flag.
Past the headline threshold, programmes impose extra obligations. Frequent requirements cover proof of no criminal record, health cover, documented income and a required physical presence in the country each year. Overlooking one of these can end the permit while you still own the home.
Tax status remains a separate question entirely. Holding a residence permit does not necessarily make you taxable on worldwide income, but crossing the day-count threshold often does. Most jurisdictions rely on a threshold based on days spent locally, and the implications reach earnings from abroad.
A sensible approach is essentially simple: buy property in alsancak something you would be happy to own, and let the permit be the second reason. Such schemes are suspended with limited notice, and a home selected purely for the status can be difficult to let and difficult to sell.