Don't expect an easy return. To be successful at any investment strategy will take consistent effort.
I think all the popular points of note are listed above.
Here are a few more.
If you look at most ICOs, the concepts are really shit...so be careful.
- Do your research on the technology's viability in the market
- Make sure the funding is relative to the amount of funds necessary to make the project work
- Look for projects that really have something unique and necessary for the current space (HINT: if you're paying attention, there are a lot of problems to solve)
And there should be one great idea in ICO which is different from other ICOs, coins or tokens
I agree with
ceferov, but add the caveat there are projects coming with more than (1) great idea, have an adoption strategy, and a great business model (very important).
Look for the projects that can revolutionize cryptocurrencies adoption and market acceptance.