If we filter the good ones (at least the coins that have :website, social media, road map,, etc) that could benefit all of us.. and who knows, your $50 investment today could turn around 6 figures in 2 years 
One coin that I believe has a lot of potential and looks quite promising is SNT (Status Network Token), but I don't think that a $50 investment in it will make me rich in 2 years. I wish