[5] Later, Cardi B added the hook and wrote the rest of the song, with production completed with the help of producers Frank Dukes, Boi-1da and Vinylz.

[6] Cardi was motivated to write the song when she was in New York City finishing her debut album, Invasion of Privacy (2018).

Annoyed about her past romantic relationships and the unfaithfulness in them, she found herself tense and upset – prioritising work, with too many bad thoughts.

[13][14] During an interview, Cardi B expressed she drew inspiration from past relationships, while denying that the song was directed at her fiancé Offset.

[15] "Be Careful" debuted on the Billboard Hot 100 at 16 on April 14, 2018, before rising and peaking at 11 the next week after the release of Invasion of Privacy.

The clip opens with a wedding in a church filled with Jesus statues and crucifixes located in the middle of the dessert.