Paramotoring, or Powered Paragliding, is an amazing sport — the cheapest way to fly! The gear is also very compact and there's no licensing in the United States (although training is strongly recommended).
There's a nice brochure here with some of the more frequently asked questions. But also please feel free to ask below and I (or someone else) will try to answer! :)
Note: I realize this is a niche community, so feel free to ask even if this post is old!