I've now made a couple transfers to Steemit from Poloniex, and it is very, very, easy, and very quick. Takes about 15-20 minutes from start to finish to transfer Steem shares, and complete the "Power Up" of those shares if desired.
Here's a Snippet of my brief instructions:
Tom
Thanks for this tutorial Tom.
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit
Congratulations @tomsteemyeo1! You received a personal award!
You can view your badges on your Steem Board and compare to others on the Steem Ranking
Vote for @Steemitboard as a witness to get one more award and increased upvotes!
Downvoting a post can decrease pending rewards and make it less visible. Common reasons:
Submit