wechat yes, always must filter. simplest way is just to always video call lah. just keep that in mind bros!
remember! 50usd 1shot 1hour. 100usd overnight unlimited. or so they quote.
some advice regarding hotel, just book a below 3* will do, most will allow.
another way of discreetly asking is whether those hotels allow transit or not? meaning to say those 2hour rooms.
to the bro who said want pay $200USD, usually bar girls allow you to bao them for 200USD after their work which is usually 3am.. but 200usd no small sum haha.