Let's assume you are highly skilled at every thing and equipped with tools at home? What can you do at a street corner looking sharp with a sign that says will work for cash (maybe a tool cart)? No one knows you.

If there’s truly the freedom to choose what I’m selling, I’ll be setting up a portrait quick sketch booth. That sign gets changed to “Will paint for cash”. If I have to be pegged to physical labor of some sort, the sign will read “Husbands To-Do Lists done fast.” I’ll be busy for the next three months.