Affiliate Marketing Secrets

I am a native Caribbean, currently a high school student in the UK. I’ve had a lot of success with businesses I’ve done in the past as a teenager. My dream has always been to open my own resort, particularly in the Caribbean. However, during this time of crisis I’m not sure this is a good idea, but who knows by the time it has been built the economy may have recovered. So I have the following questions:
(1) Is it a good idea to venture on the Caribbean Resort Business? Why or why not?
(2) Would a good niche be something health-related? [Not a spa resort, but more to do with medicine and treatment, like a hospital combined with a resort]
(3) How can I get it started in future?
Thank you so much!