You can qualify for residency by investing €280,000 which is one of the lowest investment thresholds in Europe,
You don’t have to move to Portugal to keep your residence permit. Staying in the country for seven days on average per year will suffice,
You can be eligible to apply for Portuguese citizenship in five years. This is one of the quickest in Europe,
Once you become a Portuguese citizen, you get visa-free access to 188 countries.