Obviously you should search for the abundance portion of the abundance crusade you are joining,signatures are the most need of these ICO campaigns,because a large portion of the dynamic clients originates from this forum.If you are joining twitter battles search for the twitter battle designation on the off chance that it has a decent allotment go along with it if its not don't join basic as that.
I think the best option is to study all that is associated with the project. Also check every word they say. Product, team, plans, features, and more.