Wondering if any of you know of a good forum site (something similar to BiggerPockets with lots of education) for the stock market?...

Oakland County will be immuned except the areas I named because of the nicer housing stock and schools.

Big Banks = more overlays (varies by bank)Their concern is stock price and appeasing stockholders, and because of that, their guidelines are more selective because they are trying harder to limit their default probability.  

The painting contractor leaves some behind for attic stock.

I would recommend you keep the LLC and if you are dead set on dissolving the entity I would consult with legal and tax advice before you do.

To be sure, equity sitting in a house is dead equity - it's not making any money - but not all of your money always needs to be making money, because making money always entails risk, and a certain portion of your total net worth should always be easily accessible, easy liquidity, and instantly valued - ie, $10k in your checking account is worth $10k today. 

Look at external metrics like stock market, interest rates, supply and demand of homes, I'm basically looking to avoid the crash as in 2008.

It's a like a high yield (cash flow) type stock like Chevron and not a right appreciation stock (Tesla).  

If the window is single pane they should have something in stock to fix it right away.

If the appraiser calls it out, assume a qualified licensed inspector of the thing will be required to inspect and comment on remaining economic life of the thing, and if he says it's no good, dead deal.