I think whitebit charges the biggest fees of all available exchanges, for LTC as an example the minimum amount is 0.1 LTC hotbit is the best for trading and withdrawing Martkist and altcoins, good volumes, and the fees are reasonable, you should try it and check how it works.
I tried all the exchanges so far still finexbox the best for me there's a huge of volume here it means a lot of people are trading there.
How about unnamed exchange? has anyone tried that one???
I like it on my own (so far there have been no problems with it), but for the coin itself there are no movements for a long time, I would only be glad that the developers would make the slightest movement (buy, sell), the commission for withdrawing coins is 10