However if you have their telephone number call them and go buy their home.  

Therefore I need a unique email address / telephone number set up in Zelle for each tenant.

Telephone Number Changes: Please notify us if your home or work phone number changes, so we can reach out to you promptly in case of an emergency.

Call telephone numbers in the classified ads or Craigslist for different locations within your investment area.

Good Morning...Each mailing and you should be mailing a unique piece with a unique telephone number each time to the same prospect for six months. 

You want to reward the telemarketer and pay them well .. not just go cheap.. and so you can get someone with some telephone sales skills and believe me this is a skill.. women usually are better in my experience.. so put some time training and effort into your telemarketing.. it will pay big results.. if your competition is just robo calling.

Besides they don't want a run down property next door.There are services that will append the telephone number and the success rate is 60-80%.

I find that cold calling works but it's extremely tough and time consuming --to find the accurate telephone number during the research process. 

The larger issue is telephone number/email  | property address mining.

Listsource doesn’t supply the telephone number nor email of the property owner.