Quoting from Honolulu Council: Oahu property owners who illegally use their units as short-term vacation rentals could face fines of up to $10,000 a day under a bill passed unanimously by the Honolulu City Council...

From what I've researched, it seems like BuilderTrend and CoConstruct are the two unanimous leaders, but they offer more features than we need and are very expensive.

DC, PG and MoCos county councils passed theirs with unanimous votes and no one really lobbied the other side. 

Response has been overwhelming, and I  believe the vote in each jurisdiction has been reached with unanimous consent from each county council.

You could but the operating agreement would generally say that you need unanimous or super-majority consent to amend the operating agreement.

That said, in any group-sponsor investment there is exposure to market risk and sponsor quality.Your challenge lies in the TIC's unique feature of requiring unanimous consent. 

I want to be able to have multiple family members own the property, but what I want to avoid is a partial owner trying to force the sale at market value without unanimous agreement from shareholders.

The professionals are therefore unanimously certain, that I have a current duty to report and pay taxes on rents that are not (yet) mine, -essentially because I caused and collected the rents and may one day acquire the right to spend them.

If the concerns can be addressed, they can usually be put in writing, defined and agreed courses of action required.You could also define certain admin functions that would require unanimous consent of all members/partners to change or modify, those matters would then be under your control.

Good lawyer's disagree about the requirements of the law more often than they agree, as is demonstrated by the fact that there are considerably more dissenting opinions written by appellate level lawyers (judges) than there are unanimous agreements.