Real Estate investor billboard: what message to put?

[Edgar Castellanos]

Im going to place an ad on a busy street. it will be 8 by 10 feet big. this is what i got so far.

Need Cash

We buy house's fast

any where any condition

call x

(xxx)xxx-xxxx

at the bottom in small print should I put paid advertisement and my BRE# because it will be displayed at a mechanic shop.

All your suggestions are greatly appreciated. Thank you for your time.