I have an out-of-state landowner who is wanting to sell a large parcel and has asked me to help market the property for them (put sign up, handle phone screens, show people the land) instead of listing it with an agent.

Some I have never even met other than phone and email conversations.

I want to change this.My initial search was how to separate contacts in your phone.  

Here's an example, pardon the formatting as just copied and pasted ours.Home Address*Occupant Names*EmailCell Phone*Home PhoneWork PhonePreferred Contact Method*Preferred Contact MethodPortalEmailCellHomeWorkHow much is your rent?

We will not allow them full access to any of our computers, smart phones, office and so on.

Mobile home parks are my favorite investment on the planet.

I've followed up for 3 weeks (phone, email, text) asking about their what their decision was, and it's been 10 days since they stopped their utilities, and the neighbors said they moved out.

PM me for phone number.

I keep getting phone calls from what sounds like call centers, wanting to know if I want to sell my house.

About 90 minutes later I get "what r u doing" on my phone from him.