Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Understanding the phrase “afford to lose” better
I think it's a silly statement. If you are prepared from the start that you might lose it then you shouldn't invest. You invest to earn not to lose. Most often losses are a result of fear.  Remember you only lose when you sell lower than you bought for.  So if you have the patience you will probably regain. I ask my clients many times how much do they want to earn and they all say "as much as possible". Last time I checked, that's not an objective and therefore a strategy can't be built for that.  If there is  a strategy then exiting a stock is easy,  without a strategy you never know when to exit and then you are exposed to  bottomless losses. I've successfully traded for many years with large amounts of money. I made money in the FC and in the bubble, both times it wasn't because I was prepared to lose but because I had an entry and exit strategy. If you have both the idea of investing what u are prepared to lose has little value.