I don't think siding will have any impact on how much you can charge for rent.  

As others have mentioned, areas such as Midland, Odessa, or anywhere in the Eagleford Shale region will be majorly impacted because a large percentage of those employed there are in Oil and Gas. 

You've got to discover the financial impact or economic value of the problem.

Some people may be okay with that risk as long as it doesn't negatively impact their IRR.  

After they are in the name of the LLC, will this impact the cost or availability of homeowner's insurance?

This UDFI is a subset of UBIT (unrelated business income tax) and documented in IRS Publication 598.Confer with your licensed tax advisor for specific details.The general guideline is that the impact of such taxation on the operating income from rents is usually pretty low.  

As stated, it's very rare to get a loan that is longer than 15 years, from any lender, and you've done well to get that much.Generally, the longer the term of the loan the higher the rate since the lender is going to build in a buffer to compensate for market fluctuations. 15 years is a long time in the commercial space.Grated, a higher rate isn't going to have a dramatic impact on a small loan so the upside to you knowing that you have a long-term fixed rate may be worth it.

Then I factor in the side issues that can impact any of the parts of the equation - the neighborhood for appreciation & ability to rent factors; known capital expense issues, or those known to be upcoming; interest rates; unusual maintenance needs (example: I strongly avoid homes without eaves); local property tax and insurance anomalies; ETC.In your example I would run from that house like I would from a grizzly.

This will result in slightly less depreciation on the replacement property than if you had bought it without the exchange, but seeing as you only had the condos for a few years you shouldn't see too much impact from that.

If so, would a New Zealand return address be detrimental to me (ie. no response)?