Trading in altcoins or speculate on bitcoin price is a great but risky way.
If you are new to that try to check out some faucets or even better start your own business by buying and selling second hand stuff.
I guess altcoin trading is a good way to make money from bitcoin. you only need to buy altcoin of bitcoin that you have, then you just need to wait for the altcoin prices rise, it is very simple, but very difficult
What do you mean by its very simple but very difficult?
No doubt altcoin trading has a very promising future ahead and you can earn good profits from it if you handle it smartly, and that is the best way to make money at a moment.
By simple but difficult he probably means that it seems simple that you just need to buy altcoins and sell them later to earn profit, but it is actually quite risky because sometimes the price of a coin goes down madly after you buy it.