While I was not charged any hidden fees, I did need customer service because the airline could not find my reservation the day I made it. I left at least three messages (NO 800 number and I am convinced that no humans work there) and sent multiple emails requesting that they contact me ASAP ...
The worst customer service and the biggest mistake I made was to give my money to a company that doesn't honor promises made. They will give you the run-around to no end and they will tell you various lies and delay as much as possible hoping that you will get frustrated and just give up. Do not ...
Do not use this service. They will have a lowest price on the web guarantee. And they by far are not the lowest. When contacted them with proof of an overcharge they said that they were "a new company that didn't have all the kinks worked out of the system yet" in addition to being 50% ...