If you are talking about sync, sync is an option. Shut down sync from here.

Type about:accounts<enter> in the address box.

[v57+] Type https://accounts.firefox.com/settings<enter> in the address box.

I just want to sign onto my homepage I don't want to sync with another device. I would like to a person not a computer. I am about to find another home page.

You do not need to sync to another device in order to use Firefox whether on one or multiple devices.

Firefox itself is a web browser and not a homepage or website.

If you do want to set a Homepage in Firefox https://support.mozilla.org/en-US/kb/how-to-set-the-home-page