1. Those Tuk Tuk/Jambo/taxi drivers who overcharge tourists. 2. Those Tuk Tuk/Jambo/taxi drivers who ask tourists if they want private service ladies, opium, marijuana and other illegal activities. 3. Those traders who rise the price of their products unreasonably when tourists buy them. 4. Those policemen who try to charge tourists when they drive/ride their vehicles.
Lao people should love how to please foreigners, at the same time, foreigners need to respect lao people. It is kind of mutual benefits Good hosts = Good visitors