The ROI on Dreamweaver, time and money wise is simply not worth it. Stay away from that contraption. The only reason to learn it is because you eventually you want to work for an employer.
Employers know little about creative tools and are caught up in the Adobe branding. Builders and contractors at construction sites have no problem with workers who show up with their own tools because they're more interested in a quality and result, rather than the tools they use, simply not the way in the creative/technical world.
Then once you've gained enough experience and a portfolio to match, you're ready to set your own terms. So, you might as well start off there now. I love taking customers away from the agencies and the big co's.