Amazon Prime Day is coming to a close, but before the deals vanish faster than half of humanity in “Avengers: Endgame,” have you thought about expanding your physical media collection? If you’re a cinephile and haven’t started collecting yet, what are you waiting for?! Prime Day is, ahem, prime time to shop for new physical media, because you’re getting a new movie and you saved some money in the process. In addition to new releases like “Sinners” and pre-orders like “Michael,” tons of classic