Invest what you can afford to lose, if you become too greedy it could very well come back and bite you in the ass (and karma says it will). You will live in regret for the rest of your life. Don't do it
This. Bitcoin is still speculative and likely has a binary outcome. You don't want to be homeless because it went to zero.
People have been saying that since day one 4 years ago, it's fair to say that bitcoin will never go to zero.