What happens when a tech reviewer applies 'girl math' to a multi-million dollar private jet? Linus Sebastian has acquired a 1990 Dassault Falcon 900B, claiming the deal was essentially free after accounting for millions in recent engine overhauls. From gold-plated sinks to the nightmare of $400,000 Wi-Fi installations, the reality of 'Influence Air' is a masterclass in the staggering hidden costs of aviation.