If there is any kind of damage to the house because of a natural cause if you approach the insurance company without a landlord's insurance they will outright deny your claim.If you have a mortgage the bank will insist that you have landlord insuranceTenant has renter's insurance.

How would the bank even know the gross pay amount?

Experience with financing via US banks as a foreigner are more than welcome!

Bank loan How did you add value to the deal?

Go to Solera National Bank or Titan bank, both of them specialize in accounts like this. 

You could see if there are any local banks that would do a HELOC(tough to find).

As far as the sale of a property with a mortgage on it, that all gets sorted out at close. ie, you bring your money, the bank gets what they have coming, the realtor gets what they have coming (if there's one involved) and the seller gets the rest.

Bank loan How did you add value to the deal?

I've seen some pretty killer terms for foreign national Canadian loans from RBC bank, if they can meet traditional income qualifications.

Bank loan How did you add value to the deal?