Upon information and belief".... the court will require "evidence."

I don't see any evidence of satanic rituals.

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.

If you're looking for appraisal value an ADU may not be the best bet, but if you intend to sell, my anecdotal evidence suggests in dense highly desirable neighborhoods, ADU square footage will gross the same as the main house.

If there's a dispute on the disposition, having visual evidence of what you're asserting is really important.

You'll find out that the number of victims in the US is way higher.If you don't trust official figures 100%, you might want to complete your research by getting some anecdotal evidence.

Make sure if you’re allowed to post it on the door (assuming the tenant doesn’t answer when you knock) and take photos for evidence of the notice posted on the door.

Why do they expect you to trust them with no evidence when Kiyosaki says to not trust anyone? 

Is there any evidence or support I can include to make my letter of intent more credible?

Basically a lot of circumstantial evidence (no video of her actually taking the packages).This evening an old car with an old man drives up my driveway.