Whenever some issue comes up regarding CEX, they usually answer it here itself, their account is very active here,which is a good thing, as not a lot of exchanges have a regular and active support here.
Their account:
https://bitcointalk.org/index.php?action=profile;u=148073 (Last active was today). You shouldn't worry about making 3000$ transactions, it won't be a big issue(at least I hope not).