What’s up with R134 prices?

$10/can is still cheap. If R-134A gets pricey like R-12, can always use HC refrigerant. I recall $10/can last time I bought a case. I use Duracool, but Envirosafe is another. Some are termed R-12HC or such. Works slightly better than Freon. Never a fire in millions of cars using it for decades, though many claim "explosive" which is absurd. An asteroid might hit you too. Used in home refrigerators in Europe.

If you want to fuss about prices, look at swimming pool chlorine. A 50 lb bucket cost $100 a few years ago, then jumped to $500 after a plant fire, now back to "only" $400 since the plant came back online a year ago.