Regardless unless they have joined a wandering caravan that is going through the Gobi desert I believe mail gets delivered almost anywhere.

One unit will be delivered occupied paying 1200 month. 

We are looking to start fresh and hopefully build a portfolio of rentals as passive income.

If they deliver, all the better!

Also, most HOA covenants require a notice that there will be a vote on amending covenants and those notices must be properly delivered.

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Then they charged us the cancellation fee even though they couldn't deliver what was promised. 

You're fresh meat and they'll all take you, because they have nothing to lose - and they know most new agents might drag a couple of deals from family and friends across the finish line in the first year.  

Luckily the thread topic was fresh in my mind and we struck with out gut feeling that something didn't seem right. 

You will need to document why you are keeping it in a letter that needs to be delivered to them within 30 days, unless the lease states otherwise, but not more than 60 per state law.