Ludacris the investor?

仕事用に色んな曲をリサーチ中、こんな曲を発見。

Ludacrisのverse中：

And other guys can't match up to my bank account
and its hard to see
How I don't work hard for the money
but my money works hard for me (me!)

なんに投資してんですかねぇー（笑）