how long to transfer ethereum from coinbase to poloniex

I will start writing the article based on your requirements. The title of the article should be "Transferring Ethereum from Coinbase to Poloniex: Time, fees, and a method". The article should cover the time it takes to transfer the ether from Coinbase to Poloniex, the fees involved, and a method to achieve the best transfer speed and fees. The article should be 500 words or more and should include a conclusion that summarizes the key points and recommendations for those interested in transferring their ETH from Coinbase to Poloniex.