[1][2][3][4] Over 20,000 viewers joined Miller for a live video stream prior to the mixtape's release.

[7] It became his first singles entry on the US Billboard Hot 100, peaking at number 75,[8] and was certified platinum by the Recording Industry Association of America (RIAA).

[1] When the video surpassed 16 million views, Donald Trump acknowledged the song on the social networking site Twitter, stating "Who wouldn't be flattered?".

[11] The mixtape received favorable reviews, including an "XL" (second highest) from XXL magazine.

[13] Following Miller's death on September 7, 2018, Best Day Ever debuted at number 26 on the US Billboard 200 with 17,000 album-equivalent units.