If you check their website, you can see the prices, which vary according to the various options. There are certainly cheaper lifts out there but IMHO most of them are not built as well.
I was fortunate enough to buy mine from a friend of a friend who had purchased it and never put it together, and needed to sell it because he was moving due to taking a new job. Now it's sitting in my garage until my car comes off the rotisserie and I can recoup some floorspace...