Just wondering if someone could answer some questions.

1. If I create a new account can I receive epics from a rank 15+ player from daily friend gift?

2. I noticed that if I refer myself and finish the tutorial, then log back into my normal account, I seem to get promotion chests again when I raise to a league which I've already gotten it in. Was able to claim rank 20 purple chest multiple times.

However, I also managed to claim a rank reward I already had after I dropped 2 ranks and raised it back up.

Any idea how/why this happens? Can I just drop ranks to exploit this for easy purple chests? I've confirmed the referral thing works multiple times, but only did the rank drop once so far.

3. Can I drop back to low rank to get the 500->300 gold chests again after farming a bunch of gold for maxing the starting units? I noticed the price on my current gacha drops depending on my rank, so I was wondering if there's a limit.