Can I break a rental lease if the leasing office is not billing me based off what the contract states?

Doubtful. What you describe would not likely amount to breach.

Is this company's response discriminating?

There are so many reasons to not hire. It could have been one badly worded sentence in your resume or cover letter/email. Why would you assume...

Father-in-law left no will, bank won't release his funds.

The small estate affidavit, assuming you otherwise qualify, will do the trick. Good luck.

Is there a minimum amount of hours an employer has to give you in California?

There is no minimum required hours without a contract in place that provides otherwise.

I'm a conservator & need to request an increase in the bond. The Probate Referee appraised the estate for more than expected.

Exactly. Everyone who received the original.

Put it in writing. Ask for resolution in writing.

How long should a business plan be? I've read about them and seen long templates. However I've also read that simple is better.

Completely your choice. Just depends who you are trying to convince and of what.

Can property management force me to sign rental agreement that I don't agree with?

Most of what thy suggest is not out of the ordinary. Landlords may grow old, and may need help from management companies. Putting the terms in...

Verbal agreement?

Would largely depend on who was responsible for the overflow.

Depends on whether your attorney is asking for costs or fees, and what the representation agreement states.