Hi Jorge, I can't help you directly, but you may start with knowing all the opportunities and prices on the market. After that, start developing the project you'd been thinking about. You may get inspired from
https://www.lifeinsuranceblog.net/5-million-dollar-life-insurance-policy-cost/, especially when it comes to expensive life insurance. I hope you'll find everything you need in order to develop this idea. All you need is to complete the information about postal code, age, and others.