It is really all about what you are comfortable with and willing to do. 

I'd be happy to go over this with you if you have any questions - feel free to reach out at the contact info in bio.

If you ever want to tal REI or have questions feel free to reach out I am always happy to help and talk REI.

I've purchased and sold many properties this way and feel it's a wonderful tool, but with risks.In the most simple form, you sell the house to your tenant and get a note in return. 

I feel like this is suchhh a common question for new house hackers, including myself. 

That option feels like it will be trying to thread a small-eyed needle.  

But the investor demanding the auction only owns the lien for 2011, so that one year of unpaid taxes is the basis for the auction.As you mention above, based on that Things feeling Fuzzy in Case B, Lets say if Taxes for 2012 to 2015 were bought by the another Investor then how come Owner of 2011 Year Taxes can Force Auction as my Understanding is you need to keep paying Subsequent year Taxes to keep Interest in that Property, Right?

Con's- feel like I am wasting money.

If you would like more information regarding your loan options, feel free to contact me! 

I always feel like one needs to have more than 1 or 2 reliable lenders.