HOWEVER, I recommend reading Stuart's advice above very carefully and perhaps soliciting his feedback on the deal in more detail before putting too much more time into it. 

Making memories with family and friends for pictures and videos become what is most treasured as people get older and more life experience.

Then I(we) control everything.I know there are details to work out, and I am still in the thinking/planning phase, while I continue to save money, but is this a conceivable plan?

Shoot me a message and I can share some more details with you. 

Can provide more specific details if interested in helping.Is this your first house hack? 

Security deposit amountYou can find plenty of examples by searching for "tenant estoppel certificate doc" or exchanging "doc" with "pdf" for more options.Here is an example and explanation: Sample EstoppelSome have a lot of legal jargon but this document does not need to be so detailed.

As a "retired" public accountant and tax consultant I perform a lot of detailed ROI analysis for my clients. 

Nice to meet you finally after years of listening to the podcasts and YouTube videos.

Having the GC or someone else upload photos/video after each stage would be ideal.

However, it’s important to ensure the area is safe. in those areas I would recommend checking local crime statistics on SpotCrime. you can use this link for an example,to get detailed information: https://spotcrime.com/map?