Actually, ShysterJon has posted advice to the contrary.
https://www.eccie.net/showthread.php?t=1919524
Originally Posted by TinMan
It's not against the law for a provider to post a list of services and a price for the service in an ad, showcase, or profile. However, it's against the law -- that is, it constitutes the offense of prostitution -- to offer, accept an offer, or solicit sexual services for money. That's why it's wise for a provider to post a list of services and prices rather than engage in off-board discussions regarding same.
To be clear, I'm NOT saying a provider should post a price for each item like a pizza parlor. I mean a price for periods of time, and what services the time would include.