Companies that are still lending are ones such as mine that are direct to the capital with little to no ties to the Capital Markets.Here is the link to my article that might at some context.https://www.biggerpockets.com/forums/49/topics/819276-the-evolution-of-the-hard-money-space-and-then-pause  

Non-QM is done, lots of places are cutting off cash out refinances, bye bye to reno loans, HML are getting conservative, bla bla bla.

My advice would be since you have it tied up, and the seller probably does NOT want to lose the deal or go back to market right now, ask for as many extensions as you need to get all of the info you can to where things are going with these few business's. 

Was this real estate tax thing true before and after the Tax Cuts Jobs Act?

If you are going to cut the seller's legs off because of a pandemic, just do it. 

Hopefully some of this liens don't redeem and I end up with some rental houses in that account soon.When I don't have the money tied up, I make short term loans to fellow real estate investors at 12% and 2 points.

They will help guide you to the deals, and cut down your work dramatically.

Cut the grass, do exterior maintenance like you normally would.2 Weeks seems a long time to "get it ready to market" if it was fully rehabbed. 

They can cut the limit to stop advances but they can’t call it.For the last year I’ve been paying it off with all extra funds to use again on the next property.While seeing the news two weeks ago I cashed the whole thing.

.- If you go with concrete pavers, install a solid 4"-6" of road-bock base, don't cut corners on the foundation, it will save you in the long run.