Allured by a grand savings of 16 euros against other flights, I tried out govolo.com, a site I had never heard of before. Rather than researching them, I bought the ticket. A few hours later I received an email from them, requesting a copy of my credit card as well as a copy of an official ID.
After reading some other complaints about the company I decided to cancel my credit card so that I could not be charged for the ticket. I have heard that they sometimes don't give you the ticket even after you have paid.....