It's been used successfully by many people here. If it's legit is another question. I believe that they are in some cases booking people through discount codes that aren't supposed to be public. I worry that is going to catch up to them like it did with MouseSavers a year or two ago. Autoslash has lost quite a bit of it's functionality due to changes in the systems of the three major companies, the deals aren't as good as they were previously.