2) This is the first Netflix original I've ever noticed that has a laugh track. Given my typical video habits, this is VERY apparent to me.
3) There are a couple of places that are 99% certainly native ads. Format wise this at times even seems intentional as a way to "break" the segments in terms of editing/flow
4) It is produced directly by Warner Brothers and Chuck Lorre has a producer credit. I do know that he's responsible for minting a lot of lucrative TV franchises.