What are the pros and cons of Italy’s elective visa from a tax perspective?

Regarding Italy’s elective visa for retired people, what are the tax implications for an individual? What are the pro and cons of the elective visa for a senior citizen?

Answers

On Alessia Ajelli answered:

A tax regime for new residents is dedicated to those who move to Italy, regardless of their specific work activity. High-net-worth individuals moving their tax residence to Italy can apply for a substitute tax to their foreign income, amounting to 100,000 euros, for each fiscal year, in lieu of the Italian income tax.

On Marco Mazzeschi answered:

A tax regime for new residents is dedicated to those who move to Italy, regardless of their specific work activity. High-net-worth individuals moving their tax residence to Italy can apply for a substitute tax to their foreign income, amounting to 100,000 euros, for each fiscal year, in lieu of the Italian income tax.