Sequence: Niche > Core offer > Low-cost offer > lead magnet. By working from top level down, you lead with the right stuff. If you go the other way, your lead magnet ends up dictating your core offer and niche.
I have a lot already in place. I am creating the upsells now for my low cost offer which is a 150 page ebook. The lead magnet Camtasia videos I am creating are just one of the upsells. I am also working on my Membership Site, several paid workshops as well as various levels of my coaching programs Low cost, medium cost, high cost).