Anyone tried buying cheap on poloniex and selling high on BTC38?

No, dont be greedy by seeing high price of Doge at BTC38. That site is a scam and you wont be able to withdraw the coins if you deposit them there.
some people dont know this and instead of getting profit from Dogecoins , they end up losing all the coins at BTC38.
Yeah, usually if an unknown exchange is listing the price too high, its usually a scam and a blockhole to send ur coins to