Beijingers love to barter, so be prepared to haggle in markets. Always offer 20 percent of the first quoted price (i.e. if quoted RMB100, suggest RMB20); if the stall-holder refuses to budge, walk away - you'll be surprised how effective this can be as a bargaining tool.
Book a tour from abroad before entering the region. Otherwise, you may find yourself forced by authorities into joining a Chinese-run tour which can be shabby and disappointing. Shangrila Tours; 011-86-891-6330823; www.shangrilatours.com
Tibet has a tumultuous history with Communist China, which has ruled the region with an iron-fist since 1950 and uprisings occasionally occur – be sure to check travel advisories with the U.S. state department before venturing into the region.