Is it the right of the apartment manager to change my parking during my current lease? Is this grounds to end my lease early?

If it is not, you may want to consider if this is a big enough issue to get into a fight about.

How is it legal that the rental company is trying to require I pay Parcel and Sewer bills in addition to the garbage and bin?

How long have you been paying the utilities? Did you know you would be required to do so when you signed the lease?

I've moved but my lease isn't up yet. I've already paid one month without presence. They won't make a deal. What are my options?

You can't really bring up the water pressure at this point as an excuse to break you lease early.

How do I evict a Tennant without a signed rental agreement

You will need to go through the court system even though there is not a written lease.

Would I be eligible to receive a temporary work permit when I file for adjustment of status pending finalization of Green Card?

Yes you can only file the Form I-485 Application (with work and travel authorization) when you are physically located in the U.S.

Change of status from B2 to H-1B within the US

When did you enter with your visa? Were you asked about whether you were coming to the U.S. to find an employer?

If convert to H4 EAD and work with a new employer, will I be able to use my previous employer approved I-140 to file i-485 ?

If you intend to go back with your employer once your I-485 is approved.

Legally it would suffice but like the other attorneys said - it is a matter of your comfort level.

Did the marriage based GC interview and still waiting for green card approval. Can I travel abroad with a EAD and AP card?

You can travel with your AP - if your GC is approved while you are gone then you can have someone mail it to you or enter with your AP.

Your employer would probably need to amend your H-1B from full time to part time but it seems easiest to just change status