Not really a sinkhole where the ground collapsed but did have settlement that caused some small cracks in the walls and did require that repairs be made and they do classify this as a sinkhole. 

You need to bank more money and stop looking for high-percentage leverage that will collapse your future.Earn and learn.

You'd be right if you were investing because of market euphoria and you're trying to get in and out and make your money before the market collapses.

Such factors left central banks with no option other than intervening, he said, speaking in his capacity as chairman of the global Financial Stability Board.https://www.theatlantic.com/magazine/archive/2020/07/coronavirus-banks-collapse/612247/https://www.greenwichtime.com/business/article/A-new-credit-bubble-gets-ready-to-burst-13911193.phpWhat comes next, dollar becomes so devalued that it triggers the great reset and crypto based economy. https://www.weforum.org/agenda/2020/06/now-is-the-time-for-a-great-reset/https://www.zerohedge.com/news/2018-11-22/did-imf-reveal-cryptocurrency-new-world-order-end-gamehttps://www.imf.org/external/pubs/ft/fandd/2018/06/pdf/fd0618.pdfhttps://www.zerohedge.com/crypto/bank-england-governor-signals-central-bank-digital-currency-coming

Gold bullion coin in own storage will be good enough during any major inflationary scare until they start mining the asteroids for it.But for your societal collapse escape hatch, you should keep a hermetically sealed stock of maybe 50 Kalashnikovs and 100,000 rounds of 7.62 x 39mm ammunition for them right in next to the gold.

What really sold me that #2 knew his stuff was when he pointed out that if I looked down the side of the building the parapet was actually curving in as the mortar collapsed.  

It also potentially (depending on the work) require some additional long term maintenance (e.g. sump pump replacement, collapsed interior weeping system).If at all possible any water penetration should be addressed at the source on the outside by digging down to the foundation, sealing all cracks, putting in a waterproof barrier, dimple board, stone, etc. 

Speaking with industry professionals, they keep touting the impending collapse in commercial prices but we've been hearing that story since 2012.I've read much about the central valley strategy with Modesto, Sac, Stockton, Fresno, Bako, Visalia, etc.

Its not without hassle though, that's an important distinction, tuckpointing, brick sealing, and potential wall separation/collapse are always considerations. 

HJ Bercy good questionThe tri-plex in my last post fell through due to a very old and collapsed septic system (I think I posted about it elsewhere).