that is true because without doing management of our time, then we can not earn anything and our bitcoin can not grow. but maybe you can trying to make invest in gambling site with 0.01 btc.
Bad idea, your investment would be run out faster if high roller playing on the site you have invested (and you just invest only BTC0.01[/btc]. Just gamble your 0.01 and go ALL IN, if you were lucky then you could double your earning. 
, Just hold coins for future and it will be better in terms of value for the price 
0.01 btc doesn't worth for anything. You won't earn much profit by gambling with so low amount and you can't use it to trade on many sites as there are minimum amounts to buy/sell a currency. 0.01 btc is just a dollar and you don't have much chances to increase it to a more interesting balance. Continue working hard and save more money to start investing.
There's many way how to growing money
earn huge amount with small amount isn't impossible, looks like you had luck on your side you should thanks for that tho a chance never coming every day.
It is possible, though it might take some time before you could win this big, and you are right, I guess this man is just lucky when it comes to gamble, that is why it is too easy for him to say that there's a lot of ways on how we are going to grow our money, which is true, but if I'm correct, he is pertaining gambling when he said that, since he is making a lot of money in gambling, which is 1.5 btc, well, if this is really true, then I presume that you are a rich person.