That is exactly why courts will eventually overturn these laws, but much damage will be done in the meantime. 

Is there a redemption periodWhat are your rights during the redemption period.Generally anyone in the chain of title can challenge a tax sale. if it is overturned then you should get your investment back.

"blanket discrimination against felons"I think these ordinances will be deemed unlawful or overturned or changed and watered down to a point that they don't have any real teeth to the ordinance.A felon is not a federally protected class.Blanket is the key word you used which would imply SWEEPING discrimination which would be almost impossible to prove.A landlord would simply find another reason not to rent to them.Just like a contract there are always more loopholes to use if you don't want to do something.

The courts here end up overturning these sales on a regular basis, with a simple hearing.

Our clients do it both ways however, I would have your attorney work with your provider so you have a plan if Swanson gets overturned.

By the way , Thanks for the input guys, every since 2011 when the judge over turned that ruling, the ambulance chaser have been coming out of the wood works and i get mailings to my house from lawyers doing mass mailings asking me if i have resided in a residence where lead my have been present.My father , whenever he buys a property, he guts it completely and has the xrays done so he doesn't have to deal with it .

Still in place or overturned? 

My question is, "For those who would overturn Roe v Wade, should children born to mothers who can't afford to provide healthcare, food, clothes, shelter, etc receive government aid?"

Scour, search, over turn rocks, anyway you can to find deals. 

Every Arbitrage deal I complete, that's part of my conversation with the owner/Landlord, and in every deal it's the same response; they don't know STR, they don't know how to do it, how to furnish for it, how to best market for it, the constant over-turn of tenants, coordinating cleaning vendors, active marketing, it's all pain points and while yes they see the revenue potential, it requires an operation they simply don't have commanding knowledge or experience in.