Buyers usually want to purchase on today’s value while sellers often want to use future potential of the property (“current rents are below market” or “room to build an additional property”, etc) to increase the purchase price or likelihood of a sale.

and frankly most landlords send a technician to fix things, not go there themselves, same goes for lawn care, usually you have a company that comes every week/other week, you do not need to be there.... 

I struggle with podcasts because they show a slice but not usually a start-to-finish how-to and you could invest countless hours (like I did) listening to many podcasts to piece things together.

@Benjamin Ying1) Waste of time unless you are buying hundreds of units.2) Any option to minimize risk is usually a good idea.3) Always better to visit an area before investing.

Usually that means others in your demographic live there or will want to live there.  

Condo's usually have high HOA dues which will eat into your cash flow.

Turn over is usually measured in years.I'm not a fan of mobile home parks.  

Usually can get much more rent.

Clearly, shes not happy and an unhappy tenant usually results in more issues down the road, and you can bet they'll be expensive issues. 

It's usually a tall order to legalize it up to the unit count you want.