That question is the subject of deep and endless debate.

Almost endless information!

But if you buy into the idea that it takes multiple touches to get a lead contact you, then it is FAR less expensive to do this on FB than it is using an endless stream of postcards.  

Because of the endless possibilities it would have.

Example if you have to track down the estate and spend endless months to get an increase in value of say 30k is it worth it to you?

There were an endless number of steps I had to complete to bring this deal to fruition including building a local team from across the country, putting in many offers, passing on several bad properties, and getting my financing lined up so I could pounce on this opportunity right when it hit the MLS. 

The choices are endless.

Looking for any thoughts or shared Experiences With Brrrr’ing Properties with run down mobile homes that happen to sit on A+ Lots... for example across the street from Million Dollar Ocean Front PropertIes...to me, it seems like the ideal way to cash flow the purchase of the Lot while it appreciates...but my concern Is rehabbing a 50 year old mobile home and whether I’m setting myself up for endless repair problems...and renter issues?

There are endless resources and people, on BP and outside of this resource...

Strengthen that and your goals are endless!