That is the first rule.

Many gals say the best tip is to become a regular customer.

That said, many guys, myself included, do tip when we feel the service we got was beyond the expected.  I do it because I think it is good karma over all.

Somewhere around 20% is about right if you do tip, but some guys give presents from the gift list that many gals have on their sites.

If you want to read more about this, just do a search with the word "tipping" on the search engine and you'll find lots of reading.

go back 365 days and you will come up with three pages of posts about tipping.

...I would add that if your doing outcall (girl comes to you) that tipping should be a given, especially for the ladies that dont charge more for outcall, as many do not. Her time, expenses, and accomodating your outcall request should all be factored in, but 20% sounds about right.

About Tipping From My Point of View...

I do not expect a tip at all.  It is not required, however you should tip according to how you feel the lady has been with you.  Like fisher said, did she go above and beyond the call of duty?  Did she just make it such wonderful and unforgettable experience.  

Its a nice gesture and all of us ladies would welcome a tip.  But tip any amount you feel.  I am just truly appreciate for the interest in seeing me most of all, and I am blessed and would be grateful for any amount of tip I receive.

Sincerely...

*Kendall*

It's common to tip, especially if they give extras during the session.