Were it me, I'd start with just a legal-ezee sounding "cease and desist" letter, nicely requesting they adjust their camera on the basis of privacy concerns, and I'd be keeping all documentation in case it escalates.

Who was responsible for having a retaining wall to keep the earth from sliding?

My question: How could we ever buy another house with our tricky situation, and still keep my current house for rental income?

A "no" today may be a "yes" in 6 months if you have kept in touch during the in between times.Please keep in mind the issue of value.

Keep looking for an REI strategy that’s fits you.  

Will keep posting my progress and I welcome your continued input sir.

I will keep you updated. 

Cash out refi 2 other properties residential properties, use the funds to build, keep original residential loan on land3. 1031 1 or 2 properties to pay for construction.  

Otherwise any cash you keep would be taxable.  

The goal is to make sure you have high income, good credit score and enough assests and reserves to keep moving towards the next deal and dont max out on your first deal meaning do not max out your debt to income ratio as it can affect your borrowing power to acquire the next one.