I’ve been doing this flying gig for a while. Get a bag that does multiple things. A previous post suggested that. Save yourself a boat load of cash by going to thrift stores or even some place like staples. I found a bag for 80 bucks that beats any ‘airplane’ bag out there. Just because you are going put airplane stuff in said bag, doesn’t mean said bag has to cost 200 bucks or more from a pilot shop.
be safe out there.