Lithium batteries? Firearms? Chemicals?
These guys can and will pick you up an deliver you at the grass strip of your choice and you can be carrying a machine gun and grenades for all they care.
Talked to a police officer once who had to go through all the TSA BS , while in uniform, and he agreed, private is a possible solution.
“Sooner or later, the people with private aviation licenses are going to understand that a license to fly is a license to steal.”
It’s against the rules for a private pilot to operate for hire. You can ask them to help pay for fuel.