Which projects are the most profitable for immigrant Vanua to invest in?

Vanuatu people are mainly engaged in the production activities of the primary industry, mostly involving agriculture, and their crops can meet the needs of about 65% of Vanuatu's population. In addition, fisheries and animal husbandry are also one of Vanuatu's main economic activities. Tourism is also very important in Vanuatu and is one of the sources of government revenue.

The above is quoted from Baidu Encyclopedia. Why should a big agricultural country invest here to make money?

Portuguese real estate, with an investment of 500,000 euros, a five-year gold residence permit and an annual after-tax rental income of at least 3%. After obtaining the identity, you can also sell the house. This is a relatively low-risk investment project.