Puerto Vallarta (PVDN) - Puerto Vallarta has been experiencing an increase in prices for rents, food, and other necessities, which could be a symptom of gentrification. For many foreigners and expats in Puerto Vallarta, these increases may seem small and still much cheaper than their home country, but it may be resulting in Mexican locals being forced to leave their neighborhoods. Gentrification is the process of urban and social rehabilitation o…