He was always making money on anything that turned up if he could get anybody to try to make money on the other side.

VOA: special.2009.08.29

It's rare, but sometimes a good manager at an expensive load fund can be found making a little extra money on the side by also running a cheaper, comparable no-load fund.

FORBES: Moonlight Special

With a multiple rights deal, most revenue streams go toward paying off a single advance, making it very difficult to earn money on the side.

FORBES: The 360 Degrees of Don Kirshner's Legacy

On the other side of the spectrum, even public museums sometimes worry about making money off of tragedies.

BBC: Touring history��s dark side