the2015stud, before this thread takes a sideways turns I will write this for greater clarity of my initial response. My comment strictly deals with the tip after the transaction has been fully completed. The provider has consistently been reviewed including: appearance, age, skill set, and usual donation for her time. To put forth an almost 30% reduction of her usual time is what my comment addresss. Everything else is personal preference, which may or may not be to everyone’s liking, hence, which is why reviews are posted.
However, to knowingly be aware of all these factors prior to seeking to make your investment and choose to dishonor the minimum expected donation for her usual time is bad business, especially after the transaction was fully completed.