As many others said, it is not recommended to do so but of course the decision is yours. You are free to do whatever you want with your money, it is OK to put all your saving into crypto as long as you are ready to accept the worst case. Otherwise, you may regret it so much.
Because in the end of the day he's the one who will decide for his investment because everyone here advice him not to but if he still do then he really have the courage to risk all his savings. I just hope I don't see him post here again and mocking how much how he loss.
Though to be honest, these days are the best to invest before the third quarter starts because bull will be back in the market.