Because it is totally unreliable. Do not try to contact their customers' service because nobody would reply you.

My booking changes made absolutely wrong. No respons to my e-mails and my money back! Booking number 127219245

Because they deserve it. No refund for the airline cancelling my flight. No offer of credit even. They just take your money and provide nothing. Not even the flights you paid for.

Because they do not take responsibility for their mistake.

Their customer service is terrible and it's a very long turnaround time to get anything done. They also may RUIN your vacation by putting the wrong names on the tickets