They probably are if you get them used. What we need is a system for buying used therapy to even it out

They are. They range from $10-30 depending on the movie and edition and can be cheaper when buying trilogies/etc in on pack.

Used in my market is <$10 but relative to bd or dvd... Rare.

Source:... Recently bought a 4k Blu-ray player.. and know multiple therapists.