At what stage the consideration of adding to bittrex?
Already on going.
As you might have noticed, Bittrex is extremely busy that they cant handle the large amount of requests.
Ours in on their desk for a few weeks waiting for the dev to add the ADL coin.
How hard it is to pay 2mil DOT to Cryptopia and have it listed on at least 1 exchange with any kind of volume? Unless of course you are 100% sure that Bittrex will add you...