The best strategy would be not to have one.
How could you say that having nothing is the best strategy? Remember, in everything you do there's always a consequence and that is positive or negative, you will have a positive outcome if you work on it. Just like Bitcoin, if your going to invest in Bitcoin you need to work hard, willing to take risk and study each coins first before buying. Cause sometimes their are some coins that is so slow to move it's volume and price. So it is much better if you do daily monitoring from time to time.
Just ignore him. He is an idiot for sure. He do not want to become rich. ONly investing can make us rich. If we work for entire life, we can never have a good life and money to spend. Investing is for smart people. The more we invest, the more money we will have