Investing in cryptocurrency is always riskier due it's volatile. That's why it is always advisable to invest in cryptocurrency to invest that amount only when loss will occur which you can digest and it will not add up liability on you. Due to market manipulation all altcoins are down like 80% to 90% as compare  to their All time high values. So it makes huge opportunity of investment if you think for long-term. Invest in best altcoin and hold for long and show some patience it will surely give you some profits.