I do not think there is any reason not to invest whenever you have found a high quality project, i mean even if the market situation is not good if you invest in a good project that will definitely give you returns sooner or later, so go for it.
Yes, it is good time to buy or invest on ICO, the price value are affordable. We can choose good coin with clear market structure, good fundamentals, with support system inplace, but one should always remember the risk factor involved in investment. I suggest invest only what you can afford, money which is not committed. Good luck guys.
There are a number of factors that make ICO projects including quality projects difficult to find investors. They lowered the hardcap, then did not dare to list on the floor for fear of the bear market. So it makes the situation worse. But according to statistics in 2018, there are more ICO projects than 2017 and more and more quality projects, they are willing to put lower hardcaps, these are positive signs that ICO will soon return in 2019. You are ready to go