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

Since you're on localhost, you can tell your browser to trust any certificate you want.

Make a self-signed certificate for localhost, and tell your browser to trust it.