First of all, thank you very much for your upvote on my intro post.
Also, I know this post is very old, but just in case it can help someone, the very first part of this article I wrote on how to buy $HIVE outlines what I believe to be the fastest, easiest, and cheapest way to buy $BTC for US residents:
https://hive.blog/hive-120516/@crvne.eth/how-to-buy-hive-the-easy-way