And that I will be able to add other account numbers to the same account later.Another few reps told me that I need a letter of authorization from the owners on file which could take a month authorizing me to make changes to the account.And another told me the bill has to be in the owner's name.

Situations like this are PM101- if you don't know what you are doing and don't act professionally and with authority, tenants will smell that from a mile away and the chances of being taken advantage of are VERY high.

This is standard for ACH so this is not specific to Buildium as you could encounter this with any ACH payment if the tenant lies and says it was not authorized. 

People that sell registrations for service dogs (mostly online) are not recognized, approved, or authorized by the ADA or any state or federal authority.

When you make an adjustment to the reported amount on the 1099-S, it's generally a good practice to keep supporting documentation in case the tax authorities inquire about it.

I believe that this mentor is very qualified due to his decades of experience and the books that he's authored and also books that he's co-authored with other well know real estate Moguls.This is a big commitment into partnership and just wondering what the general populus thinks about this agreement.Also, if anyone has suggestions for specifically apartment investing mentors I would appreciate it.God bless

I am sure you can probably find that info at Memphis Housing Authority or TN Housing search.

Section 8 is via HUD through the local housing authority.

Tenants must know and follow these rules for property maintenance and repairs to avoid legal or financial issues.Best Practices for Landlords:Define Maintenance Responsibilities: In the lease agreement, it's important to clearly outline authorized maintenance tasks for tenants, detailing responsibilities to minimize disputes and foster a transparent landlord-tenant relationship.Provide Training: Landlords can offer training to improve property maintenance and foster a positive relationship with tenants, empowering them to take better care of the rental property.Regular Inspections: Schedule routine property inspections to proactively identify and address maintenance needs.

In addition, if you are the type of landlord to not want rely on unreliable tenants, you can make a tenant sign an authorization that automatically drafts money from their account each month and the tenant cant change or stop the auto drafts or have to be involved at all.