What most naturally follows?

How to make easy profits on craigslist
Think of an object that is not too expensive or inexpensive but relatively popular.
Such as electronics. Those things are usually relatively pretty popular and can possibly hold the most chances of you earning big bucks.
Go to craigslist site and locate the country/city you're in to know what kind of items is selling around the areas you live in. Look through items carefully to see what's currently selling.