IRS has indicated they would be generous in determining reasonable cause for penalty abatement requests if returns were not filed timely.Please see this post I made earlier regarding the March 16th date as well as the comment by @EamonnMcElroy regarding small partnerships.https://www.biggerpockets.com/forums/51/topics/816988-march-16th-filing-deadline-has-passed-late-filing-penalty-infoAs always, please consult your tax advisor to make sure your returns are filed properly. 

Personal health, safety of their employees and/or the public, guidelines or public health orders issued by government officials, or any number of things might be appropriate metrics for making decisions.

We are officially in a shifting market and you have to be prepared to make a move when the time is right. 

Additionally, is there a proper way the tenant must inform me?

Ther's a national apartment association advocacy grouphttps://www.naahq.org/advocacyhttps://www.naahq.org/news-publications/democratic-municipal-officials-calls-congress-support-rental-assistancehttps://www.naahq.org/advocacy/action-center/advocacy-365You can also sign petitions and join apartment associations it seems

@Tyre Carmon:Finding deals that workRenovation: properly estimating costs, construction managementARV: accurately estimating ARV

@Naomi Pinger No, sadly he only wants to stay north of Seattle proper, but thank you. 

The Wall Street Journal is calling for state and federal officials to weigh the economic damage the lockdowns are doing if they last for another week or two.

As long as it's installed properly you won't need a warranty.

If a home is properly maintained, as are some of the ones I buy, you still have original hardwood floors, original joists under the sub-floor, original trusses in the attic, etc.