If we name someone other than our daughters as executors, that person cannot make a deal with you as the authority to sell the property passed to our daughters, the trustees, as the property is now in their hands.

In our reia, we probably would laugh about this person a few times a year.

It is something I wouldn't use personally.

Personally, I like option #1 (I know a lot of agents will push you to #2 as that's how they make commission), but it helps in keeping an asset and using that capital to buy something more productive.

Trusting someone shows you are an honest person.

Once I've done some homework on the property and everything checks out, I make sure to visit it in person.

For 5 rooms I have each person have a $1,000 security deposit = $5,000 deposit for the house. 

This person is asking for specific website.  

While I do not personally have a contact in KC, I'd recommend using BiggerPockets' Find an Agent tool.Its a FREE service for BP members like yourself who are looking to expand your network and find local experts.Here, you'll be connected with an investor-friendly with knowledge/experience in your desired location(s). 

Based on the income of the property no your personal income.