Wired smoke detectors are usually all interconnected, so if one smells smoke, the horns on all of them go off, but the signal that makes this happen is not standardized among manufacturers.  

But others won't be able to afford the rent increase and will either have to find a cheaper and lower quality place, or stay and fall behind and have to be evicted; others will,leave because they are angered. 

I know I am trying to push the market but from your experiance, do FHA loans come in tighter than standard loans?

I always try to pay for what’s in front of me and try to not speculate on rent increase etc. if I do manage to increase rents or pass expenses off to the tenants than that extra money is gravy. 

You will not like the interest rate, however, as the investment property interest rate 'hit' is doubled compared to the standard 25% down.

That's a much more time-consuming process than a standard eviction action.

Your CPA might be confusing Bonus depreciation with 179 expense deduction. 179 deduction which was also increased to 100% with the tax reform can only be applied to non-residential property.To clarify, the 100% bonus depreciation applies to property that has a useful life of under 20 years.

Has your business substantially increased or changed due to having it? 

Industry standards for most are earning the cash on cash return of 20% day 1, or within the first 30-60 days. 

On paper, he would be able to make $50,000-$100,000 annually on increase in value of the property he had debt on. in that timeframe, the amount he was making on paper was significantly higher than what people were making on annual salary.With that thought in mind, I would lean towards the content of leverage is King.