Do a little more research and then run away as fast as you can unless you plan to spend a few grand more making it right.
That dude is a snake oils salesman supreme.
You should run faster, if you want to have some fun call Dave Rooney, the British carny is in charge. The majority of the builds coming out are flawed in at least one way, amazing after the court proceedings that he is still in business. I have seen and fired one of his rigs from maybe 8 years back that was very nice and shot well.
wade
