Yes if you invest in really good ico with quality project and experienced team coupled with on time performance and secondly you need to give them time, dont try to sell as soon as on exchange, give the team few months and then you can take profit.
This is true. With cryptocurrency you need to wait. Just like how the veteran users wait for the bull to come. As well as the ICO it is very effective to have the trust into ICO with this you need to play smart in everything because if you have trust on it it will soon prove itself.