They will take it seriously and you will have memorialized the tenants harassment so if and when action needs to be taken you will be able to attach it as an exhibit for the judge to view.The beauty of papering the tenant is that you control the narrative... you memorialize the event in your view and words at the time it happens- it carries far more weight.It is a beautiful thing when insubordinate tenants are forced to view their words and actions comprehensively and colorfully described by the landlord.Handling it apologetically on the phone is a big no go.

Presently, I am living abroad in Victoria, Australia.

Not only about your concerns having to monitor them at all times, but also trust them enough that they will not tell you it's an issue bigger than it actually is and upcharge you since you are not there to be able to tell the difference, and trust them enough that they exhibit care and workmanship to not damage your property and not tell you about it.For example, what if he drops a hammer on your tiled floor and cracked it and didn't say anything. 

The more you can convey (and hopefully exhibit) honesty and positive ethics, the more you're going to attract people.Once you have that, start by attending tons of meetups.

I’m french and I leave in Australia so I can invest in Europe and Oceania easily.

I am currently spending half year in Australia and the other in China.

He has a property manager you should be able to get ample evidence of rents, when they were paid, late payments, quality of tenant (rental application, lease agreement, amendments, exhibits, pet agreement, deposits, property improvements), etc.

My understanding is that this has not been allowed in the US until recently do to tax reasons, but is more common in Canada and Australia. 

My journey started slowly by just reading and listening to podcast but has gotten more serious in the last year when I obtained my Real Estate License in Victoria, Australia while I was living abroad.

I'm was a SCUBA dive master in Australia and Florida before my times in the financial world.I look forward to connecting!