how much would you pay for a night with these wives?

US will be Aug/sept for about 6 weeks... doing a road trip all over and wife is happy to make a detour for the right offer hehehe.
UK not sure yet ... usually go in April, but havent booked that one yet....
What do you consider to be the right offer:-
1) Per hour
2) Per night
 
What do you consider to be the right offer:-
1) Per hour
2) Per night
Would depend a bit on how much on a detour lol .... what area/city? She doesnt do this type of thing much, but has a few times in the past .... one a few years ago was for a guy in NY state that we drove a few states over for her to spend the night with him (he had tempted her with 1k for that, and lets just say she gave him his monies worth lol)