A housekeeper’s salary in Puerto Vallarta could differ depending on the size of the house that she will tend to because of the length of time that it will take for her to clean it. The going rate is from US $9 to $18 per day. Housekeepers usually work 8 hours per day. If you have a smaller house then you can negotiate for a lower amount for the daily wage. The same rate applies for the whole of Puerto Vallarta. 
Your neighbors in the Algarve would be a mix depending on where you live. If you live in a town they would more likely be Portuguese. The bigger the town the more likely it would be to have Portuguese neighbors. Further out it is more likely there would be a mixed bag of people. There are certainly municipalities where six or seven nationalities could surround you, a little bit like Florida. 
The worst reasons to retire overseas are to live like a king and the idea that you want to go overseas because it is cheaper because that usually doesn’t pan out very well. The other reason is the idea of retiring overseas just because other people did it and you’re thinking that it’s a cool thing to do, so you’re going to do it. We live in a world where marketing and advertising, certainly, has a major sway on people. 
In Belize, it is required by law to have third-party car insurance. If you have an accident and you’re your fault, third party insurance will pay for the damage to the other guy’s property that you caused, and nothing for you. That’s why its cheap. The Beach Town of Lo de Marcos, Armando Contreras’ Special Place in Narayit
From an interview with Armando Contreras, July 7, 2016 Jet: Your real estate office and home are in the little, beach side town of Lo de Marcos, in Nayarit, about an hour north of Puerto Vallarta. Please tell us about Lo de Marcos
Armando: The first time I saw Lo de Marcos, it was empty, but it had so much charm and was such a welcomed change from crowded and overbuilt places I had been living, that I liked it so much, I...
From an interview with Michael Vuytowecz in July, 2016...