If you’re feeling overwhelmed, consider consulting a local property manager who can help you plan for the deferred maintenance and set up rental operations smoothly.

What about deferred maintenance during those times?

It comes down to what your pro forma is, and what lenders are willing to lend on the property.75k per unit for 550 in rents in Dayton is probably over valued, especially if there is deferred maintenance.

I agree, shouldn't be taken to heart.Most of the properties in Daytona Beach that hit the 1% rule have a ton of deferred maintenance, are in flood plains and have a high vacancy rate. 

Is there a way to defer or waive the HUD partial claim?

Opportunity Zones are designated distressed areas where long-term investment and development are encouraged.3 Reasons Why You Should Invest in Opportunity ZonesDefer or Eliminate Capital Gains Tax ObligationsWhen investing in Opportunity Zones through a Qualified Opportunity Fund (QOF), you have the potential to defer your capital gains taxes.

It's tax deferred or tax free in a Roth. 

This method allows you to take some of the profit tax free and indefinitely defer the rest of tax, using it to purchase larger, nicer property/properties in areas with better cash flow potential.

Is it usually a cash out, and you pretty much have to buy into new DST’s to defer your gains again?

You will be able to indefinitely defer all of the capital gains taxes as well as not have to recapture any depreciation.