Dealing with S8 tenants successfully requires proper screening.One of the best screening tools is to inspect their current home - how it looks is how yours will look within 90 days or less.

Focus on building a strong team, using BP tools to analyze markets, and researching local laws.

If you’re positive you can get in and out fast or refinance smoothly, maybe it’s a tool worth considering.

They are essentially the same thing you are describing, but sharing an "expert opinion".I am also not a fan of how BiggerPockets itself is doing this same thing in the forum by posting blog posts and you don't have the ability to comment on the posting (because some times I disagree with the posting!) 

Perform this research by using the rent comp tool on BiggerPockets as well as FB marketplace, Zillow, Craigslist, etc Also for those 15% of units that are “at market”.

Just remember that $70 is the gross number they charge , they have to buy supplies , insurance , tools , vehicle , gas , workmans comp etc . 

Be sure to check out the free tools BP provides to help analyze deals you may have and also market insights.

I am not sure what tools you are using for your cash flow projections but it's possible to have a property that does not cash flow year 1 but will in year 2 or 3 and so on based on average historical appreciation in Austin TX. 

Are there any tools, websites, or resources you’d recommend specifically for real estate investors in Ontario?

He's essentially lost $150K.Run the numbers if he was renting it for 5 years (minus mortgage, property taxes, repairs, etc).