You may have a case if you can prove the builder neglected a structural standard, especially since other units received retaining walls.

If you can show / prove to him that the park will be worth more because you are rebuilding the bathhouse, paving the roads and adding a playground then maybe he will feel more comfortable? 

For now I will continue to study and save money to have more down payment for when it will be time to buy.

Expediting the depreciation with a cost segregation study can add a healthy amount of cash flow in the first year to 5 years when you need it most. 

People deserve love happiness kindness no matter what they have done I look at it in the aspect of of yes he did that even if he didn't do it installed his record he needs a second chance you can't just put him down for the rest of his days.awesome people should look at it as someone needs to give these people an opportunity so they can make something of ourselves and actually prove to people that they will be rehabilitated and do better.

AI can be tricky to prove sometimes.I use cut/paste for questions that are asked every day.

Study and read your local lease templateRead, read, read.Watch youtube videos online of some basic building and construction.

These relationship oriented lenders will prove to be beneficial as you grow.

Study up on FIRPTA. 

Quote from @Katie Nolan: Here's the Oregon Landlord - Tenant Law: https://www.oregonlegislature.gov/bills_laws/ors/ors090.htmlHere's a handbook that may be easier to understand: https://oregonlawhelp.org/resources/landlord-tenant-law-oreg...If you're going to be successful, particularly in a heavily regulated state, then I recommend you study the law regularly.