ADUs can significantly enhance your property's value by adding living space that can be used for rental income or as additional living quarters for family members.The increase in value from an ADU can vary widely depending on several factors such as the size, quality, and functionality of the ADU, as well as its integration with the main property.

With the large down payment, you’ll likely have built up enough equity to secure better terms.

Quote from @Stetson Oates: The vast majority of disputes are over security deposits and the most a landlord could lose is 3x the deposit amount.Slip-and-fall or other major lawsuits almost never happen.

The state doesn’t have rent control laws, but landlords are prohibited from collecting more than one month’s rent for security deposits.

What’s the best way to secure a deal, and not encounter with another wholesaler going after the same property.

It is a very secure investment, and it is almost impossible to lose money on this deal.

I acknowledged his concerns but was unable to resolve the issue.Since the tenant moved in, I have experienced escalating issues with his behavior, including:Lease Violations:Moving items without permission (furniture, safe, carpet cleaner, TV from his room to another tenant's room).Accumulating boxes in the garage, potentially exceeding the agreed-upon storage space.Installing a security camera in the common living area, which is a direct violation of the lease agreement.Failure to submit a work order for alleged issues with the smart lock, as required by the lease agreement.Behavioral Issues:Aggressive and confrontational communication.Unfounded accusations and personal attacks.Refusal to communicate through agreed-upon channels.Loud and disruptive late-night behavior (banging on the door, kicking the door) due to alleged difficulties with the smart lock, often accompanied by profanity.Harassment of my son, the designated on-site property manager, by making disparaging remarks about me and refusing to cooperate with him.Potential for Neighborhood Disruption: The tenant's late-night outbursts have the potential to disturb neighbors, although no formal complaints have been received.Unreasonable Demands: The tenant unreasonably demands advance notice of my access to the property for storage purposes, despite the prior agreement and my right to access common areas and my own storage spaces.Safety Concerns:While the tenant has not directly threatened us, his actions, including the harassment of my son, have created a concerning and unsafe environment for my son and me.Goal:My ultimate goal at this point is to evict the tenant due to his ongoing lease violations, concerning behavior, the harassment of my son, and the potential for neighborhood disruption.Questions:1. 

We just discovered a crack in the concrete slab foundation that is a borderline major problem:- It is a vertical crack about 1/8 inch wide that is at least 9ft long, which is causing a 3/4 inch drop in the flooring and some evidence of old (luckily) limited moisture and termite intrusion. - BUT, it also appears old and probably a symptom of the original house settling.

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.

It seems like offering this as a separate package once you secured the booking is a good idea.