My GF and I were looking forward to a trip to Niagara and an experience with an outcall escort service.  We were planning on spending $180-$200.  Now that we look at the sites more closely we notice that as a couple we would be charged twice as much as a single person would be (so $360-$400 an hr).

Is this standard practice everywhere or are there some outcall services that are more reasonable for couples?

As the lady is spending time with two people.

I am not familiar with the Niagara market, but I would expect $400 - $600 would be reasonable for the experience you seek with a well reviewed lady.

Make sure the lady is into girls, or else your experience will not be the fun you are seeking.

RM