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And yeah, my website uses it.....my provider offers it as part of a package, so why not use HTTPS?

If your Provider provides HTTPS, then you don't have to worry about it.
But in my case I host a server on a Raspberry Pi 3 so resources are rather limited. I found that by disabling HTTPS on non critical routes I can serve 20%-30% more requests per second. So here it was quite useful for me.