Trading altcoins is still profitable and you can still make good money from investing in some of the coins. Many of those coins are at the buying angle of the trading circle now and you can take advantage of this in other to be able to invest in them. However you should do your research very well in other not to invest in wrong coins.
Yes it is still profitable to trade bitcoin and other altcoin but there's always a risk that we need to take. In trading, coin is easily get earn but you should be able to know how to work it out and how could you trade it wisely. Bitcoin, ethereum and ripple are one of the cryptocurrencies that was srill profitable to trade of.
Yes, bitcoin and altcoin trading is the biggest source of money or can make money in both cryptocurrency and other business but only it is on your own hands how you will going to earn big. Anything is profitable as long as you know what to do to get money there.