There are a few exceptions , but overall Black Friday deals have gotten lamer along w/ Cyber Monday. Nothing to get too excited over for the most part.
Guaranteed Nvidia has only 1 person in the back corner working on a list the size of War & Peace of the current 10xx series card issues ,... while the entire rest of the staff has shifted over to optimizing drivers for the newest 20xx gen cards
usually if all the rest of the microwave seems to be working except the heat- it is just a low price wave guide cover plate that needs replaced.
It is pretty easy to do yourself in 3 minutes... it's just that small cover inside , usually near where the light comes out from when you open the door... but you'll be able to tell., it's the only thing inside that looks like it will come off.