What's the highest success percentage method to find a previous tenant's new address for this? 

I want this to be acceptable long term if I keep this method of financing. 

@Treza Edwards "I am reading the Rental Property Investing book and implementing the method that focuses on cash flow and that strategy states you need to have $300 cash flow per month, per property.

I’m sourcing carefully and trying to approach it methodically, especially with the added layer of investing out of state.It’s good to hear advice from someone with experience.

What other methods should I use to acquire another property? 

I started by building a 12-door portfolio using the BRRRR method and self-managing initially.

I have used this method in the past and 90% of time has worked, perhaps I was just lucky, I'm not an attorney but based my thoughts on common sense and what I have read. 

BRRRR method is also a great way to go - good luck!  

I think this is the method I would like to go as it fits in line with what I envisioned. 

Used houses in the area sell anywhere from $75-125 a square foot.These are long term rentals that I do not plan to sell.I am reading the Rental Property Investing book and implementing the method that focuses on cash flow and that strategy states you need to have $300 cash flow per month, per property.