Today so many coins are ready to buy for long-term. I don't have so money for all portfolio. But the choice is great today. Eth, Ada, Ven, Neo, Pkt, RDN and more
In order to increase your portfolio, you need to take profits one your previous investment and your portfolio is good. In trading we have diverted our money to other different good coins in order to make the profit from it, otherwise, your money will stick in middle.