Third-Party Signed SSL Certificate for localhost or 127.0.0.1?

Question

Without divulging TOO much information, I need to setup a web server system that is intended to be used by end users all over the internet.

the use case is such tha

Answer 1

The solution "Point your localhost.MY-SLD.MY-TLD to 127.0.0.1" provided by provided by CoolAJ86 works fine, and you see a more detailed explanation here:
How PLEX is doing https for all its users

PS: I just don't know how sustainable this is, because someone with a similar scenario had their key revoked by the CA as if the key had been compromised.