Does clearing away years of overgrowth that has actually starts to affect the integrity of the structure and allows the house to be seen an actually entered increase the value measurably?

Hi Ed,I can answer part of this as I prepare Tax Delinquent lists for many counties for my clients.You can actually buy data from most counties.

He actually did a podcast with BiggerPockets which they have removed.

I don't actually have this property under contract. 

Have you priced out the actual cost of rehab, or is that an estimate?

Understanding the market that you want to invest in is crucial to understanding what an actual deal looks like.

You will need to search around locally, but I actually came across a lender who will lend 100% LTV on your primary home in a HELOC!

Also, have you verified that these folks are actually paying?

vacancy is an imaginary cost that you estimate upfront to ensure your investment can sustain itself and actually make money. you do not need to put aside any amount of money every month, as long as you have a reserve account with enough to cover your mortgage payment when the time comes. to make life easier, some investors will put this percentage aside every month to fund their reserve account, but it truly can come from your pocket, a line of credit, or any other vehicle you use.

I know the area of this property relatively well, actually, so I am interested to hear what made you what to invest in it.