Green’s Dictionary of Slang

1. to be in one’s favour, to be favourable or advantageous to; esp. in phr. have something going for one.

1965		C. Brown Manchild in the Promised Land (1969) 184: You got a whole lot goin’ for you.
1967		P. Thomas Down These Mean Streets (1970) 200: At first it was like all right, because I had some bread going for me, but them few hundred bucks melted real fast and all I had was a growing habit.
1970		T. Southern Blue Movie (1974) 22: Here you are with everything in the world going for you.
1997		C. Newland Scholar 204: Deal wid your education man, dat’s the best thing goin’ for you, believe.
2000		G.V. Higgins At End of Day (2001) 202: And that, incidentally, is one thing you’ve got goin’ for you [...] fucking two women every day.

2. to pay for, to ‘stump up’.

1975

E. Torres Carlito’s Way 74: I would have gone for the funeral, but he had insurance.