IT is not a cure all Panacea.

One minor exception to the comment: not advisable to lose Section 8 funding which could result both an immediate lose of further rents and/or a squatting/eviction scenario.Next:1) In terms of the late rent payment(s) - consider a 3-Day Notice to "Cure or Quit". 2) If step 1) ineffective, consider the lease type - in many states if month-to-month the lessor has the right to submit "30-Day Notice to Vacate" without cause. 3) If step 2) is ineffective, an Unlawful Detainer (aka Eviction) could be pursued.

Your PM can send her a notice of default with whatever cure period is required in your state.

The cure for both: action, progress, not perfection."

Unfortunately, we can't afford investorlift at this moment even though it seems it would cure all our problems.

You can "cure" a void tax sale with 3 years of adverse possession that starts on or after the date a tax deed could have been issued, In other words, you start with the date 3 years after the tax sale, and if some time after that the investor adversely possesses the land for 3 years, then the statute of limitations expires and the heirs cannot claim the tax sale was void.

Every title defect is unique and the cure if possible is fact specific. 

That's the best way to obtain an easement but not the only way, you really can't have land-locked property the courts will generally look to who caused it to be land-locked and find a cure from there.

Letting the paint time to cure . 

Umbrella insurance isn't a magical cure all2.