It is possible to achieve better returns, but this property has already produced outstanding return and requires little effort for this return.Good luck

The style is not on the current trends and attractive for a home that's priced 3-4x the average home in the area (nothing high end about it). 

The articles conclusions MAY be self serving - we need to look closely  to perceive any motivations for WHY the writer is producing the article. 

I'm reading another experts book and they talk about how Triple Net leases aren't really the greatest to produce income, and in one of Peters videos I just watched he says investors LOVE triplenet leases.

One portfolio gives me cash flow and debt pay down, while the other produces appreciation in addition to the other benefits.  

However, Muskoka is a huge tourist area that attracts a large vacation population each summer. 

Perhaps not a trend to consider across the city but any neighborhood that would attract college educated young professional families seems to be a good bet if you wanted to focus on this asset type.I plan to build 12 townhomes as a second phase of a condo/townhome project in a good area of Mount Airy near the Chestnut Hill boarder and even though I’m likely to years away from being ready to begin phase 2, my current plans are to keep the 12 homes as rentals for the precise reasons I outlined above.  

Some times in a slow market and we need to attract tenant to sign a lease, we throw in some of these items because the cost of individual items is less than we lowering the rent by even $50 a month ($600 a year).

Price your home $50 - $100 cheaper than all the competition, and you'll attract lookers.

Theoretically, I would guess an ADU adds value to the property because there is an additional income producing unit.