Investing internationally is not easy and we even need to be more cautious.

However, since they can say they have lived in the property as their primary residence for two (2) out of the last five (5) years, they qualify for the tax-free exclusion of up to $500,000 in capital gains as a married couple (pursuant to Section 121 of the Internal Revenue Code). 

There are a lot of defense contracting companies which bring in interns so I think that would help the short term housing as well.

Such as, if the tenant; doesn't pay rent, fails to vacate at the end of the lease term, damages property, violates a condition of a written lease, is involved in criminal activity, etc.. 

For your criminal part, establish what your requirement will be:-No criminal history-No felonies-Misdemeanors (case by case)?

Our clients are generally out of state or international...and they find charlotte to be a great fit for their portfolio development.

I think these pipes are prone to rusting internally and becoming slow, eventually stopping up completely.

That 3.5% - taking into account all of the income and all the expenses that are most likely to happen - that's what we call the Internal Rate of Return (IRR).Real estate isn't that different, with one BIG exception: the bond market is very efficient at allocating capital ... real estate is not.  

Take this as a lesson to ask for appraisal earlier in the year or fight the up hill battle against county government criminals?

Unless otherwise provided by law, proof of violation shall not require criminal conviction, but shall be by preponderance of the evidence and upon Landlord’s reasonable suspicion and at Landlord’s sole discretion.