#2
I don't think you really need lessons. If you're muting with your index finger, just use middle and ring fingers for the notes on the B and e, and rest your finger across the fretboard for the lower strings. Just practice that song.
#3
I was afraid you'd say that I just always find lessons easier to start, finish and then be able to use that technique

But yeah, looks like I'll just have to settle for what you said