The best altcoins for me to buy at this time are etherium, bnb, doge, ada and xrp. These altcoins have a potential and the value of these increasing day by day. If you are going to trade or invest in these coin you will probably make a profit from it. But there is also a good coins in the marketplace. You should look for the news and make some research. Buy coins based on their potential for a long term period.