There is a lock in period with them after I sign and before process starts.

Note that the most important number here is the 37% personal return on your own equity.That rate of return is 35% when adjusted for inflation and 28% better than investing in the stock market over the same period, but really... who cares? 

Periodically the county will auction off all the delinquent properties.

Maintaining a better budget does not change the fact that the current system favors underdevelopment and lengthy holding periods.

The written notice is based on the rent period. 

A - B - Cmoney goes from C to A with B pocketing difference.title goes from A to C with B holding temporary title ownership thus you are not brokering since you "owned" the property, albeit for a short time period. hope this helpsAlso dont forget to verify.

They ask for a longer closing period around 2-4 months.

With a shorter seasoning period with commercial loans or flips then they're doing even better.

Agreed....property taxes, a mortgage balance, any lien on the house....none of these are considered “closing costs”, they are a preexisting debt the seller owes and it comes out of his proceeds, period.

I'll give you the steps as if you are in Georgia or another similar state that allows for a contractual due diligence period to walk for any reason at all.