I don't think it's too difficult to invest in altcoin 
. You just need to remember that never invest your money in only 1 altcoin . You just need to split your money into 2 or maybe 3 altcoins if you want, it'll make your investment much safer than all in only one altcoin .
split our money into some altcoin give us various risk and gain.if coins "A" down, we can take profit from another coins that we hold.this is like cross subsidies profit and loss.. You just need to remember that never invest your money in only 1 altcoin . You just need to split your money into 2 or maybe 3 altcoins if you want, it'll make your investment much safer than all in only one altcoin .