Black Friday deals from Best Buy are usually posted in November when their Black Friday Flyer is released. Meanwhile, you can see Black Friday Deals from 2016 season (from last year) by clicking below. Checkout all BestBuy Black Friday Deals.
Fumes are harmful more because of what they do to the brain and your body overall, but the biggest dangers of breathing in fiberglass is that the fibers from the insulation can make their way into your lungs.
I am not sure what insulation exactly you are referring to however, Todays fiberglass insulation does not contain Asbestos. If you can provide me with the age and exact type of insulation material you are handling, I might be better able to help you deterning if it includes asbestos content.