Being a bounty hunter is tiring and risky, we spend our time and thought promoting a project and hope it pays off as promised, but many are scams.
You either need to be very sure in what you are investing and ready to take risk as quite possible out of many projects major would be worthless in the end. So, you can continue to invest large part in your top coins only and only some portion in this new projects for the ones your research suggest that it will hold a good value in future.