I carefully read the article. This is what he said:
KISS means sell overpriced options and buy them back when price drop. So simple!As an options trader, my edge relies on selling overpriced options and buying them back when prices drop. Several pricing models exist nowadays such as Black-Scholes-Merton, Binomial Trees and Monte Carlo. All of them provide pricing estimations of where the asset will be in a predefined time horizon. Usually IV (Implied Volatility) overstates the fear in the marketplace.