How many attempts at mediation is considered a good faith effort before you can take it back to

I'd stop after one!

Is a "contract" still valid if it was not properly notarized? All parties lied, as it was not signed in the state listed .

Contracts are not normally notarized.

Mbuzzy scam?

SCAM. Ignore them. Or report them to your local police for extortion.

AT&T YellowPages.com sent me with what seems to be an Unconsiderable Adhesion Contract

Don't sign it. Send it back with "CANCELLED" on it in huge letters.

If my brother breaking the law if he is keep hacking my smartphones, ipads, email accounts?

Do a factory reset on the electronics, put a lock on your mailbox, and put new batteries in the smoke detector.

Pro bono lawyers

I'll switch this to crim defense ...

What is the special relationship between attorneys and AOL?

Uhh, none.

Dispute charge with your credit card company. They will investigate.

I received an email from a loan company called cash advance and the heading was "final warning or else arrested"

It's a known scam. Just ignore it.

Is this email I received on Facebook legally considered a threat? What legal action can I take to protect myself?

It is carefully worded. I don't believe that it rises to the level of a threat of imminent physical harm.