It doesn’t hurt to obtain the free knowledge.

In many instances like this one - by the time it gets investigated damage is already donePlease feel free to DM me any information you have on these companies that you are willing to share.Your friends should make a report to the SEC (via sec.gov/tcr).

What tools or methods should I employ to evaluate its true market value?

Feel free to reach out. 

If you would like to connect feel free to DM me. 

@Philip Feinstein I don't think the location of the CPA matters provided that they have a solid background in Real Estate and software/tools to support you remotely.There are 20+ real estate CPAs commenting in this forum.

A Pro membership gives you the tools and resources you need to start, scale or manage your portfolio.

The majority of taxpayers are required to settle their tax dues by April 18 to avoid penalties and interest accruing on any outstanding amounts after this date.For those residing in Maine and Massachusetts, the deadline is extended to April 19 due to the Patriots' Day holiday in these states.How to Request an ExtensionIf you find yourself in need of an extension, the IRS provides convenient options to make the process smoother:File Form 4868:Utilize your tax professional, tax software, or the IRS Free File platform on IRS.gov to submit Form 4868.Individual taxpayers, regardless of income, can leverage Free File for an automatic extension request.Electronic Payment Method:Make an electronic payment using Direct Pay, Electronic Federal Tax Payment System, or debit/credit card or digital wallet.When selecting the payment type, indicate it's for an extension.

Feel free to message me if you want to Network.

As a general rule I would always say it is better to get a return on your equity rather than leaving it sitting in a property you own free and clear.