I have seen the best friendships sour over a few thousand $ landing fees and who is responsible for what part of the mx bill, ferrry flights, charter rev...
In short: putting an ad in the paper for sharing a 10 to 15 mil aircraft plus the runningcost of a milion or two per annum is very looong shot. Generally the only two people happy with this are the person selling the aircraft to them and the lawyer involved in the legal settlement at the end...
In short: if you cannot justify an aircraft: don't do it....
