How to predict a market's future
The usual advice you get when building something new is, "just do it". How about if you can look into the future and know if what you're doing is any good?
Let's take an example:
This is a good sign. In about 2 minutes I can see that this market is steadily increasing. An excellent sign of longevity and future money for you.
This is a market I should investigate more and start doing my other prep work/
By comparison, let's say I'm trying to build an app for the famous "fidget spinner". That looks like this:
Run far. Very far!
You get the gist.
Understanding and timing the market brings luck.