I have a booking minimum if they live far, rather than asking for travel cost. I certainly won't travel over 45mins for just an hour booking. Most are happy to pay for a 2hr booking though so that is ok. Only if it is outside of London will I ask for a deposit, but I haven't had any distance bookings yet.
I am super cautious about 'committing' to a 2hr booking with an unknown client. Infact, depending on how old or young they sound, I usually limit it to the 1hr (to generalise, anyone under 35 may expect 120 minutes of sex-stuff or be under the influence, whereas old folk like me usually like a brew and a chat
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Are you always happy to stay the full duration Nadya?
I only do outcalls, so I have no alternative to offer them and am happy to drive for an hour to stay for an hour, or even 45 minutes..(less pressure and expectation)
Deposits or proof of address are necessary, but again I can be abit ageist - an old timer in his late 70's may struggle with supplying things over the Internet and may be infirm.
Intuition works instead in this case