MY REALTOR SOLD A BUILDING I OWNED TO A CHARITY THAT SHE IS ON THE BOARD OF. IS THIS A CONFLICT OF INTEREST?

Would need to know more facts, but at first blush, it does sound like a conflict of interest existed here.

Are booster clubs allowed to promote Multi Level Marketing company as a fundraiser?

Sure does not sound like charitable fundraising from what I have reviewed above. Still can be done, just would not be considered charitable.

We are a 501(3)(c) organization which did not issue 1099's last year, do we need to go back and issue those even though the tax

Yes, there are no 1099 filing exemptions for nonprofit payors.

Is running a Non-profit charity, but paying donation takers over 30 % and staying in Hilton hotels illegal

Sure sounds like private inurement here, however, would need more facts to definitively determine that.

Is there an NC law that governs non-profit, non-government board meetings? See details please.

If your Bylaws conform to NC law, such will be the source of your notice provisions. The previous response cites the applicable sections of NC law...

To be recognized as a nonprofit education-related organization in California, can I remain a sole proprietor?

In CA, you generally must incorporate as a public benefit corporation in order to obtain tax exemption from the IRS and the FTB.

Adding of removing Board members will be addressed in the Bylaws of the charitable organization. The Statement of Info is the bi-annual report...

Are there different tax regulations when donating to charities in other states and uses the donations as write-offs?

From a federal perspective, no differences, there might be differences on your state return however.

Does a 501(c)(3) that's mission statement is to give funds to families in need have to respond to denied applicants in writing?

Unfortunately, there are no legal requirements for the charity to respond to you. It is probably not good practice for them to ignore you, but they...

How can I deactivate a foundation, which has almost no cash, for a future time when the foundation has cash?

I agree with both of the previous responses; dormancy is generally not a recommended option for an exempt org'n, particularly a private foundation...