Edited by dance4carrot: 12/6/2018 8:07:20 PMYou get to play it at current state. Say for escalation protocol, ppl might not be interested in doing that now, so will be harder to complete in comparison to when it first landed. Same for raids etc. Might be harder to matchmake or find a team etc.
Nope. No discount.
You will always pay more to play it current. there is no reward program etc. If you want to save the most money, buy it at end of life, if you want to play the game while it is current, you pay more.