Nowadays there are thousands of ICOs. While some ICOs have 20 times gain

, some have 1/20 times gain

.
How to find the best ICO...

First we should find out what the purpose of the project is. If the project has an applicable conditions, then the ICO might be successful.
The next thing, that should be concerned before selcting ICO is the team. The team becomes an outstanding criteria since the team has the capability of the way to success of an ICO. Experienced team has their own tips such as bounty campaigns, airdrops and exchanges.
When we find out the details about an ICO, what we should do is ratings of the ICO in the responsible websites. One of good website that the ICO ratings are published is ICObench. URL ;
https://icobench.com/According to the my opinion, above three criteria are the most important when we select an ICO campaign to invest

.
Here are my tips but we still can not say if it is good and not scam. Every time you as investor or an bounty hunter it is a big,big gamble because number 1. you can't tell if it will be successful or not.
NOW MY TIPS
1. You go to bounties in see the known campaign manager at the made post at marketplace now.
Try to look the ICO
2. Look at there team and see if the private sale is finish if it hit soft cap you might hit the jackpot.
but
3. If you want to invest and your a good investor who see if the ICO is good than go invest.