As I understand it, just about all crew have a little import/export 'business' on the side. There was a story a while ago about a bag falling out of the bulk hold and bursting open on the tarmac; Said bag contained about 400 mobile phones. Aircraft rental: Forget it. Not allowed. Consider, too, other health issues besides gut infections. About half the sex workers have hiv infections and about 8% of recent hiv tests are coming back positive, according to a doctor mate of mine. Keep an eye on personal belonings. Dont flash cash or leave valuebles unattended. Wear a backpack that cant be torn from your shoulders by some passing motorcycle cowboy. Other than that, it is a safe and interesting place. Oh yes, beware of pickpockets.