What Exchange do you use and why?
I am not an trader so I hardly uses exchanges to sell the altcoins,I always uses LBC for selling the bitcoin for a while because where we can get the best offer than in the exchanges
What Exchange would you recommend and why?
As you said Binance,Bitterex and in addition to that Poloniex there are the best and reputed exchanges for to use in my opinion but there are lots of othe exchanges are also available.
Any complain about some exchange?
Each and evey exchange have the complaint of poor support from them when there is an issue in withdrawing funds or complaints over the receiving funds to the exchange wallet,it takes so long to get a response from them.
Any Exchange has give you problems or difficulty with to withdraw your money?
I never faced any issues with any exchanges because I am hardly using the exchanges,becuase I am seeing crypto as future money not an trading material.