.. but this gives you the freedom if they stop paying, quick notice of non-renewal, and your loss is minimized. 

Surprising people would waste their own time like that.

My credit score is around 740, minimal CC debt, and no student loans. 

We wasted about 3 months finding and vetting our new contractor & getting a great architect for the major structural changes.Was this process a trial by fire?

Door knocking - they have to be home and receptive to listening to you so if either scenario doesn't take place, you have wasted your time.

Did you ever think that the seller was mad because you were wasting his time and possibly he could of been losing out a deal he could of had going which you spoiled or made him look unprofessional by your delayed closing?  

Geeze, get a current survey then, this is all just wasted effort.

I’m also starting out this deal using a lease option to minimize my upfront costs and give myself time to bring up my credit score to qualify for more favorable loan offerings at purchase.

This strategy is not perfect for every acquisition - since purchasers of LLC membership interests are purchasing both the assets and the liabilities of the acquired LLC, it is important for the purchaser to conduct adequate due diligence to minimize the risk of any undisclosed liabilities.

Im checking a list in a county where I live and im already up to 3k how good are these lists, do the trees bear fruit or am a wasting Fiji water to see them grow?