I have language in my lease that states the following: “Tenant acknowledges that the basement windows; do not contain egress windows, meaning that the basement area may not be used for sleeping as this violates the Denver Health and Housing Codes.

Just as precaution I might venture to clean that up with proper trust acknowledgements from good ole David as needed.In regards to occupancy, my guess is mom may not reside in the property any longer.  

Perhaps a simple acknowledgment and thanks for dealing with the water being turned off via a conversation.

You want to be a good landlord and you want your tenants to feel secure so do your best to notify them, whether that's by phone or email or text or a note on the door or whatever, you want them to know you're coming and you preferably want them to acknowledge your notice. 

There will always be problems in the rental biz and you should be working with people that acknowledge the problems and prepare you for them.

Acknowledge the large risk they are taking on and offer to ease their fears with it by any means you possibly can. 

Tenant understands and acknowledges that should any local ordinance or rental agreement violations that can be attributed directly or indirectly to these animal(s) will require the Tenant to immediately remove all animal(s) involved from the property within 5 days of receiving notice from Landlord.Agent, Owner, Landlord, and Tenant further agree that Agent, Owner and Landlord will not be held liable for any damages or losses to persons or property caused by Tenant’s animal(s).

I could purchase the property, but would be required to sign a document acknowledging the fact that I wouldn't own 100%, which was no good for me so of course I backed out.

What about the route that @Robert Herrera mentioned if say "bob" wants to prepay for 4 months can I just get them both signing an acknowledgement stating that the months of April and may are being prepaid.  

Some agents will require every form filled out: POF, full P&S agreement, Agricultural addenda, Property disclosures, LBP disclosures, Agency acknowledgement etc.