Haha, same questions I emailed about but did not get an answer to.
But, did get an answer to my question about a "fan only" mode for using it for cold smoking.
Does not have it, but she thought it was a good idea and would pass it on to development.
Also asked about when the additional shelves would be available to buy.
She wasn't sure, as she thought they would be in stock by now.
She also gave me a link to some videos and the user manual that may be of use to you...
www.grillagrills.com
FYI - The cover is available to purchase.