BoilerUp is spot on and a very valuable source of info. After reading through your other post about duty/rest, it's doubly important that you educate your principle about the realities of going from a piston single into the turbine world. If you don't know them yourself, find some knowledgable people who can help you walk that path. if you can't find them here, PPW members and NBAA might be valuable resources.
The MX costs to overhaul the engines on an older Citation or even a King Air could pay for a LOT of flying in a Cirrus.