Throw up your "We're Open" Shingle right now. You just need a niche and a lotta grit. With the DBA, you can launch your business for dirt cheap. 

Niche? What the deuce? FOCUS on one area: http://microbudgeter.com/blog/video-production-niche

Next step - pitch like crazy! 

http://microbudgeter.com/blog/cold-pitch-video-clients

LLC? Is it right for you RIGHT now? https://www.linkedin.com/pulse/perhaps-you-dont-need-shell-out-350-business-license-just-guy

Starting your video production business? Here's how to right now! https://microbudgeter.com/shop/start-your-video-production-business-now