indeed the key to success for many investors is to play with risk, but if you are ready for all the risks that you might get then just do it (buy bitcoin with your money or in any other way that you think you can still handle).
michael saylor and also nayib bukele (president of el salvador) have taken a big risk to invest in bitcoin, they have nothing to lose as long as they don't sell at a loss. they believe in the future of bitcoin and the profits they will get if they become #diamond hands.