oh yeah, theyl fleece you for all you got.
The girls make the prices up depending on how pissed you are. Generally theyl say like £80 for half hour (cant remember actual figures), but if you want an hour then its a bargain £180 - seriously, the longer dances cost more then just saying, yeah il do 15 min, then another 15 min etc!!
If your particularly lucky you may get some free champagne that you pay for!!
Just be firm with the girls and dont get suckered in by the BS.