Looking back, sure, after the fact looking back on a 2010 buy one can say how "easy" it was and how it rapidly became a "cash-cow" but at the moment in time of the buy, no, it was NOT prevalent or known what they'd be the next year, 5, 10 etc.. 

Biggerpockets members are pretty easy going, nobody is going to be making any judgments if you mess up and post something silly, etc.

What you want is, as they say: relatively simple, but not easy.

Then I had another one where the buyer brought as is under the impression that legalizing would be easy and found out it was not ever allowed and a portion of the structure had to be demolished because it was built horribly and a hazard as built.  

Have proof on hand (easy enough to find) online of the missed tax payments and any documentation that supports that he specifically didn't pay his taxes.Probably a simply mistake on his part, but now if he wants to develop on it, he either has to land lease it from you or buy it back.I'm not sure how the whole tax deed thing works, so that would be something you have to figure out between the two of you.

It may seem easy to jack up rent but there is something to be said about good, on-time paying tenants.As an accountant, I always rely on the numbers.

its unfortunately not going to be as easy as googling, but that might get you a list to start with and refine.  

They are easy to put together.  

This is an easy answer for me!!!  

Now, if you pull out that $125K and pay the tax penalties, that would get knocked down to ~$100K after fees and taxes (rough numbers for easy math sake).