Former interrogator turned marketer. I understand human interactions on a deeper level then most and I use this to engineer the perfect sales environment using digital marketing.
Web hosting, look at the rise and falls of the various hosting companies and after it all they are still new hosting companies popping up.
Hosting will always be in demand because you always have people who don't want to deal with the learning curve or tech.
I know what you are thinking, the web host market is saturated and you are right, godaddy, name.com, siteground.com etc...
But if there is competition there is demand, so how do you stand out? Simple carve out a niche and focus your entire offering around that niche.
Example: getflywheel.com - They are carving out a niche for themselves by focusing on agencies.