///..//but if someone asks for even $200 to withdraw your BTC to a non-custodial wallet, then it's not a fee, it's pure robbery.
I don't have account on Poloniex and can't check that by myelf, but Pmalek should be right.
See
the post made by Oshosondy on another thread some days ago.
i have account there, fees to withdraw btc is this, but, i use other low fee s coins...