This isn't true, though. Or at least it's not true if you want a free, set-it-and-forget-it solution, which people do for hobbies and side projects. You might want to take a look at https://news.ycombinator.com/item?id=21719793, which is a story about somebody who started out trying to avoid CloudFlare and eventually had to surrender because there was no other way to keep his site online against attackers.