How to make money on the streets?

Or what can you bring up to impress car drivers? After some days in Bogota you´ll be amazed from what you can expect on every other crossroad. Here some examples:

1. A little play on stilts
2. selling candy
3. selling umbrellas
4. Breakdance
5. beggin´
6. selling newspapers
7. selling food (arepas etc.)
8. cleaning front shields
9. pantomime
10. ...

If anyone can add something to that list, bring it on!