Sell services. Something you've already sold. Pare it down to the simplest and easiest (note I didn't say "cheapest") thing you can do.
Getting a job is going to take too long for you to get paid from; services can earn you cash today.
You should already know a target market and its pain points, and exactly what you can do to fix the underlying problem. Get out there and interact with your target market: great conversations with qualified prospects lead to sales.
Do not invent anything at this time! Concentrate on solid delivery of something you already know very well. Get name recognition, testimonials, referrals and a track record going about YOU solving a specific problem for a specific group of people. It'll make life easier for you on several levels.