What is the best and cheapest way to Exchange cryptocurency?
Without all most 0 fees!!
If you want to exchange a currency for almost no fees, your best bet would be peer to peer with no middle man. I would suggest posting in the currency exchange section. You will still pay fees for the transaction though. Any place that is a third party that hosts your trade is going to charge a fee. They have bills to keep servers online and databases running. Finding someone the old school way who wants to take what you're offering is your only real option.