Also many places the ROC is not required if dated, they just expire and when needed to be altered an "Addendum to Contract" is more common.  

In Texas you cannot alter a lease without permission from all parties.

Additions & Alterations (may be called differently in some companies) for the parts of the building you own. 

Although some of them have been slightly altered to be installed, I’m returning them.

This was my thought, really you can do whatever you want in a contract addendum, and overwrite or alter any part of the contract, as long as all parties sign and agree its pretty cut and dry. 

I am taking my real estate exam on the 22nd of this month and I know career change will alter things as I own my own business doing nails full time.

Landlord shall not be obligated to clean, decorate, alter, repair, or otherwise improve the rental, either before or after the execution of this lease, unless agreed to in writing as part of this Agreement.I make them initial this clause and I verbally tell them, "Everyone has different cleaning standards.

Depending on what you are willing to do you can alter the properties numbers tremendously, for example our second house hack had 1 unit with an estimated rent of 1900/month. 

The HOA rules and covenants were put in place in the 1960’s.the board just passed a new rule where they have decided that owners occupants can have pets but owners who decide to rent units are no longer allowed to rent to tenants with ANY type of pet.This appears to be discriminatory and alters the investment value of my property.

So many investors ask me the same questions and I need 10  minuets in a house and I can give you the numbers within $2500.Unless this is your full time job, no book or Podcast will alter my experience.Since we are both in the business.