It’s worth it. / It’s not worth it
Meaning: It’s (not) worth buying, visiting, watching, etc, it's recomended to do something, you should do it
Example: Watch this film, it’s worth it. Don’t buy this coat, it is not worth it. This museum is worth visiting. This film is not worth watching.
See also: be worth
Example: Watch this film, it’s worth it. Don’t buy this coat, it is not worth it. This museum is worth visiting. This film is not worth watching.
See also: be worth