Depending on the value of the property you intend to buy in Portugal, you can apply for a permanent residence visa or Gold Visa (https://www.eurodicas.com.br/golden-visa- portugal/).
As Investment-Profis we have compared several European Countries in the aspects of Low crime, safety environment, distance of next Nuklear-Re actor- Powerproduction .
Continuity low tax management and trustable Government.
Active Property market with transparent rules and no borders in buying and selling for foreigners as Individuals or Companies.
Attractiv financial environment for Banks.
Continuity in property and renting law (protection clima).
Portugal ticks all this boxes and the relationship between what you get for what you pay is also great.