Look at WHAT IS SELLING in your market. Study it. Buy it. Figure out how to do it BETTER. Then, take action and actually do it better.
I may get shit for this but the reality is that this is common practice that is called evolution and without it, we'd all still be on dial up with mono-chromatic monitors.
Another way is trending and that can be as easy as "googling" [market]news] and variations of such.
You will find all kinds of information about up and coming events, trends and offers in your market. Pick one and create an info product about that.
Being first to market can be a lucrative and fun ride. It can also make you 10 grand in a weekend, too. I had one do that once. In fact, I built an entire business around that.
Building an info product doesn't have to be hard... nor take a long time to do. Those are just reasons people give themselves not to do it - because for some, thats easier