The fee for this is negotiable, but you can usually estimate about 1 month's rent for this service. 

My initial reaction was "hell no".Algorithms are usually poor estimators of actual value.  

I’ve come across details regarding the Prohibition on the Purchase of Residential Property by Non-Canadians Act, and it seems there are exceptions for buyers with a valid work permit or for properties outside Census Metropolitan Areas (CMA) or Census Agglomerations (CA).Do you know if certain types of work permits are more favorable for this purpose?

Are their listings detailed with good-quality photos?

You can read about the differences here: Cost Segregation Study Approaches ExplainedLet’s first start with what the approaches:Detailed Engineering Approach from Actual Cost RecordsDetailed Engineering Cost Estimate ApproachSurvey or Letter ApproachResidual Estimation ApproachSampling or Modeling Approach"Rule of Thumb" ApproachSo which of these approaches is required by the IRS?

The biggest detail is look for a nationwide bank that is full delegated with little to No overlays.

Quote from @Brady Morgan: Would love to hear more details on this.

Have you had an appraisal done recently, or do you have comps to estimate the property's market value?

4. how do you estimate a repair?

I will not comment as to the tax laws and underlying rules - that is a discussion you can have with your tax advisor who presumably you are paying to help you.What I will do is provide practical and business guidance on tracking time.Firstly, there are apps available that can assist with time tracking where you can specifically detail your time, who you met with, etc.