I've run into some bad situations due to lowest bidder staff at conferences as well. One travel agency agreed to a bulk rate, then started charging everyone ful

I've run into some bad situations due to lowest bidder staff at conferences as well. One travel agency agreed to a bulk rate, then started charging everyone full price after the first 5 or so people. Meanwhile there were plane and visa deadlines and the like and they did this while they had visas in hand, preventing people from going elsewhere for travel and still making the trip.