If the zoning map was altered where all 2-4 units were now RT-4 then developers couldn't just tear them down to make SFH and building owners wouldn't need to fight the city to increase density. 

The investor must consider whether the potential property value increase or other benefits outweigh this loss. 

We chose this area and home because of the redevelopment in the area, increasing values, proximity to major venues like Lucas Oil and Gainbridge Fieldhouse.

Instead of buying the same type of property each year, the idea is to gradually increase the size or number of units in each deal.

As I posted recently on BP, some of the units that I've owned included heat and hot water in the condo fee, which increased the condo fee such their fee was in the $380 monthly range. 

However, some amenities consistently deliver high value because they attract more bookings, increase nightly rates, or result in better guest reviews.

I also assume you’re investing in an area with increasing rents so look at 3-5 years out with increased rents an it better cashflow well if rent isn’t stagnant. 

We chose this area and home because of the redevelopment in the area, increasing values, proximity to major venues like Lucas Oil and Gainbridge Fieldhouse.

Investing in the right neighborhoods can increase your odds of success.Also if you look at the appreciation rate in Cleveland and Dayton over the past 10 years its actually quite similar to the cities of Columbus.But I do see your point of being careful in "declining population cities".

The increased frequency of these longer stays has brought with it increased issues.