A big problem in Ho chi minh is in Hotel with 3 stars or more you cant take a girl in your room, you have to book another room for her. Because it is forbidden for foreign guy to sleep with a local girls. In Hotel with less than 3 stars, no problemConcerning Massage parlor, ticket price for one hour is average 8 usd but most of girls will give you just an hand job happy end. If lucky can have BJ. For western guy forget karaoke (or bia om). For western guy you can find pretty girl in the bar of new world hotel but price is high. Short time 100 USD and LT minimum 150 USD. In Vietnam the best way is to find a girl friend. And that will be free.