Your next problem will be finding the time to examine all your leads to discover which ones are worth pursuing or not. 

I think you're ready to purchase a tax-deed the major down-fall is that too many foreign investors and small capital groups come in and buy the best properties near or above market value....There's a bunch of posts on tax-deeds its just you have to spend sometime  learning how to title examine (this is a key skill you will have to learn).1/2) These properties are being "foreclosed" by the local government - in general its state specific for instance in FL it is true they can be redeemed until the second before sale however after you're pretty much done for (however if its a valuable property and any of the previous owners in the chain of title have a bit of cash to throw around you'll be forced to defend yourself in court which can be pretty expensive).

Again, others might feel differently here.3) property level due diligence: (takes seconds to weeks per deal): here is where I drill in with the low-level details.a) pro forma popping: I examine all the assumptions, and see if they are overoptimistic or not.

Again, others might feel differently here.3) property level due diligence: (takes seconds to weeks per deal): here is where I drill in with the low-level details.a) pro forma popping: I examine all the assumptions, and see if they are overoptimistic or not.

I have been examining deals for weeks to try and get the feel for how to be successful in REI.

After their expert analysts examine each one, let’s say they determine that 150 notes meet their risk-adjusted return criteria.

The shortest answer is: examine everything you pay for from the perspective "would I have paid for it if I was not an investor?"

Depending upon what the zoning would allow, do a deep dive into the surrounding area and examine what would be competing properties.

The former requires examination of financials and the latter requires involvement of a real estate lawyer.

I am planning bring local handyman with next time to examine property with me to get proper estimates.