Antivenom is also extremely expensive and expires. Keeping venomous snakes is actually a hobby for some reptile enthusiasts. This leads to problems, as they rarely keep antivenom on hand. Hospitals have to scramble to locate the correct one, and zoo's will refuse to help because then they'd have none for employees if there's an accident.
One example. Fourteen of his snakes were euthanized as they were considered a public health risk and no zoos would take them for a variety of reasons. He had a YouTube channel. If you ever want to watch someone recklessly risk their life for internet likes, it's worth checking out.