Then, just three weeks before closing, my largest commercial tenant—who brought in as much monthly revenue as all 25 mobile home tenants combined—announced they were moving to a location closer to their main office.

All of the economics have to be right.

Especially for things like population growth/decline, economic trends etc.And what things do you recommend checking when trying to decide whether a location is a good place to invest.

.- Someone talked about crime and hard tenants (who don't pay - usually inherited ones)- not many economic opportunities to attract pool of people and boost area etcI'm looking at houses on both sides (Canada and USA) US, they are cheaper like 731 Pine Ave, Niagara FAlls NY 14301 going for $270,000 (5/2, 2700sq ft) but on Can side, it's like houses are in the US$400K - smaller sq ft.

I don't really want to invest in a D-class area.Tangentially, what are some of your "it's time to sell this property" red lines when it comes to the changing economic conditions of an area? 

TikTok probably the 3rd largest in monthly viewership, those eyeballs need to go somewhere.

I understand some of the economic factors that can lead one to a particular city or province (or state), but unsure of some of the key elements as you funnel down below that level.Appreciate any insight.Tyler 

What do you do to ensure that the tenant is responsible for security deposit disputes since that is the largest reason for owner lawsuitsHow familiar are you with the newly changed laws that can affect you the owner if they are not used correctly?.

I manage about 65 units and at times my largest cleaning provider may be getting $20,000-30,000 from me. 

DOM nationwide isn't really terribly useful; in extreme situations we will already know the national economic situation.