Also, any advice for avoiding those unexpected surprises (or at least making them less painful) would be super appreciated.

So again little effect.However, office started tanking even before interest rates began to hike super-quickly (due to covid and then changes to the way we work).

sorry if is stupid question Yes.Another strategy is you could inform him to contact the super for any issues and ignore further communication from him directly. 

The rent is not super high. 

@James Mc Ree, this was super helpful.

Umbrella is super cheap and will do the job.

But it's not super common in Canada.

I save up every 3-5 years to buy 1 property 1.25x DSCRd, ideally through BRRR, and buy about 20% of my downpayment worth in a high-rate not fund--high rate as in a 2-5% above prime but not this egregious triple prime super high risk nonsense).

House hack super charged!

My guests have been super easy and understanding.