So, really to get 3x exp i need to:

(optionally) link Veteran #1 with RaF #1
Link RaF #2 with RaF #1

Then, ensure RaF #1+2 are within 3/4 levels of eachother, would this work?

The whole point of me doing this is so that I can claim some free levels on my Main (Veteran) account.
Surely, when RaF #2 levels, the Veteran account wont get any free 'grant' levels?