Below are the prices of BTC as of now between Coinbase, Poloniex and BitFinex. I've often seen differences of >$100 between Coinbase and Bitfinex. I've realized attractive profits by playing the arbitrage, the price difference. I would buy in Bitfinex lower price, send the bitcoins to Coinbase and sell for cash. This easy and simple process, I would rinse an repeat again, again and again.
So, keep an eye out on the price differences between these and other exchanges and profit from the arbitrage.
If this blog post has entertained or helped you to profit, please follow, upvote, resteem and/or consider buying me a beer:
BTC Wallet - 19gHMJc9wi9KkP47wokz8y4cFNgz1kAAUE
ETH Wallet - 0xf83641dbf1a53498eae6d0d568c969790da48a36
LTC Wallet - LU1mEw1LHvffoWf9VDEVdP7Day4jv6VLqu
EOS Wallet - 0xf83641dbf1a53498eae6d0d568c969790da48a36
Legal Mumbo Jumbo: This is only my opinion, make of it what you wish.