I am a new provider.question I advertise incalls(not at my residence)but at reasonable hotels. should pay and or provide for the room or should that be left to the client?any assistance is appreciated

You supply it. You pay for it. It is part of your cost of doing business. The rates you charge should be able to cover your costs. If you don't want to do that, then do OUTcalls.

Out calls, the provider goes OUT to his location.    
About the only exception is a gal who is only booking a room for a single client (like after her day job).  In such a case, they may agree to split the room charge or even have the client reimburse in cash, assuming he doesn't want to leave a paper trail.  Such cases, she clearly states on her ad or web site.  
If the provider books the room, she figures to spread the cost over more than 1 client per day.  A poss9ible schedule would be a 10 o'clock/1 hour, a rest hour (shower etc).  A 12 o'clock, etc

got it harborview.thanks for your help

There was a hottie I really wanted to see & that was her deal.  She worked a couple of nights a week, 1 client after her day as a secretary.