What product or service do you plan on selling to people? Because that's kinda important. What will you do? Do you have any partners? Enough cash? Enough experience writing code?
You should start by advertising your services as a computer technician. This is how I started. Lots of the elderly don't know how to use a computer so you already have one target market. Start small while promoting yourself. Most of the problems you'd be called to fix are like "my system won't start," and "Firefox is too slow," and "I lost my files, can you find them."
Half of them don't know what a fucking CPU is. The problems are easy and I like to give people a extra piece of useful software after I've finished. I don't like charging for the full hour, so I upgrade them pro bono.
The prettiest little liar there ever could be.
Heads up, BFFs!
It's open season on liars and I'm hunting! - A