KSI | The RICH Life | Forbes Net Worth 2017 - FORBES ( Lamborghini, Sidemen House & more ) KSI landed himself onto the Forbes list as one of the World's Top-Earning YouTubers in 2015 having brought in an estimated 4.5 Million dollars that year. He's lived in plenty of lavish pads complete with a Jacuzzi on the roof top...Find out about his financial come up, current net worth, and what he spends his money on, here.