What is a fair price in general per hour for FS GFE?  Hypothetically lets say the provider is an 8.

The ladies set the price, we decide what we're willing to pay......take it from there.
$300 is generally my limit.

This depends on where you are.  In the Boston area $300 an hour is the going rate more or less.  Based on what I see guys posting it seems like it may be higher in LA, Vegas and a few other parts of the country.

You will get a better idea of this by checking the local reviews in your area to see what the ladies are getting.

Remember, her price is her price.  It is not open to negotiation.  If you don't want to pay what a lady is asking it's best to move on.

You pay what the lady requests for her time.  Do not try to negotiate a lower rate or barter for other services that you will do for her if she does . . . for you.

Stay within your means.  You don't want to hobby with rent money.

In my area, 200 is the least I expect to pay for FS/GFE hour.  Some are more...  apparently they can get it.  A low rate...  sometmes advertized...  as a teaser is for less time or less service.  
Higher price does not necessarily mean better service.

Very true.  $300 in Las Vegas doesn't go far.  An hour for an "8" is more in the range of 400+.

Prices vary by city and by lady. The going rate for real deal ladies in my region is about $300/Hr. Beautiful, exclusive ladies charge more.

The women I know in NY charge from $500 and up.
It really depends on the woman.

Whereas here in Slowcala, 150-200 is the going rate.  Just depends on where you are, I agree.

in the DC area its generally 250-300 on average but some go as high as 350-600 but seems to be average everywhere except for NY and vegas normally 400 to 500