I want to be, but I have to get my training debt paid off first.
Here are 3 good videos which explain FIRE and how to get started:
https://www.youtube.com/watch?v=5S2cRNveZgg
https://www.youtube.com/watch?v=RyF40JydVNU
https://www.youtube.com/watch?v=vvJ4bwnAHnE
And of course one of the original websites about it:
https://www.mrmoneymustache.com/
The FIRE community is very active on Reddit I think.