Let's make it happen...You can start any organization you like, you could ask BP members to it, but you can't have a "BP Meeting" without consent from Josh, he owns the BP name, logo, etc. so you can't just have an official BP chapter.

Do I take consent from the person moving out? 

Tenant will notify Landlord of any anticipated extended absence from the Property not later than the first day of the extended absence.No retail, commercial or professional use of the Property is allowed unless the Tenant receives prior written consent of the Landlord and such use conforms to applicable zoning laws.

It says you can't assign the contract without written consent of the buyer and seller.

The text of the mortgage or deed of trust says " If all or any part of the Property or any interest in it is sold or transferred (or if a beneficial interest in Borrower is sold or transferred and Borrower is not a natural person) without Lender's prior written consent... " (emphasis added).

The other methods such as asking the tenant for a rent increase or asking them leave to let you carry out renovation in the apartment may work but it will be a laborious task especially if they want to exercise their right and if it fails i mean if the tenant didn't agree or consent to your rent increase offer or renovation plan, it will ruin your chances of exercising your right as the owner of the property to use owner occupancy. 

NO PETS SHALL BE ALLOWED, EVEN TEMPORARILY, ANYWHERE ON THE LEASEDPREMISES, WITHOUT THE PRIOR WRITTEN CONSENT OF LESSORS.

Any correspondence with court by brother, absent signing consent, will be construed as an objection which will then trigger court confirmed sale and expose your deal to highest bidder and unlikely that you'll keep control. 

Consent to Release Information form - this would ideally be attached to your application when potential tenants apply to your rental - without it, it may be nearly impossible to verify their application as most rental complexes, utility companies and employers will need this before they answer any questions regarding the applicant. - again you can find this online and then modify but for the most part it should include the applicants name, social, date and signed by them, the person allowed to receive the information (you), the purpose of information and what it will be used for (rental/housing), a list of agencies/ institutions it applies to (current and previous landlords, utility companies, current and previous employers, etc..... etc....)3.

You would fill in 3 tenants and it continues to state "without written prior consent of the landlord".