He started uploading his music on MySpace and intentionally posted "provocative" photos on the platform to stir interest.

[4][5] At the age of 17, Mills began writing songs in his bedroom, using music software such as Apple's Garage Band.

Leaving Home is a 10-track project, with no guest appearances, while the production was provided from Noel Zancalla, Omen, AudioBlack, The Futuristics, Colin Munroe and Phonix, among others.

[19] To promote the mixtape release, Mills filmed some music videos for songs such as "Lightweight", "Diemonds"[3][20] and "Other Bitch Callin'" featuring James Fauntleroy II.

[32] On June 27, 2013, Mills was featured on Mike Posner's remix to "We Own It (Fast & Furious)", along with Sammy Adams and Niykee Heaton.

[33] In June 2013, Mills was on tour with We the Kings, and the fellow supporting acts The Ready Set and Breathe Carolina on the 2013's SummerFest.

[36][non-primary source needed] Starting from February 24 to April 24, 2014, Mills will be headlining on his All I Wanna Do Tour.

[17] On February 24, 2014, while starting his promotional tour for his third EP, Mills released the audio to its title track "All I Wanna Do".

[40] The beat from "Don't Need Much" was sampled from a single named "Drank & Drugs", performed by Dutch rappers Lil' Kleine and Ronnie Flex.

[41][42] Travis walked in the New York and Paris fashion shows in July 2016, and was named one of the best dressed by GQ Magazine.

[47][48] Mills' music has been described as genre-blending due to his mix of singing and rapping, being mostly labeled as a hip hop and synthpop artist.

He also designated the letters "FTH" ("Fuck The Haters", "Forever The Highest") on his forehead, the "O" with a heart behind his left ear representing his sisters name and the word "Patience" tatted on his knuckles.

[59][60] Early in his career Mills sported large stretched earlobes, but proceeded with lobe reconstruction surgery in 2013.