It is possible that over time, Google ranking metrics recognize the uniqueness of your key words, and you move up in the rankings organically (without a cost to you), so that you can be found easily on Google searches for your location.  

@John Matthew Johnston 80% of the time, it's a thankless job:(You're never fast enough for complaining tenants, nor fast enough or cheap enough for owners.To have any chance of success, you have to be extremely organized, or every day starts with your hair on fire!

We want to acquire a property in one of these areas, not only as an investment but also as a place where we can stay when we visit the United States.

We had hoped to rent our house for short-term or mid-term stays.

Are you looking to stay in the city? 

So that has been my "next action step" to wait for a clog to happen again and have him camera it, but it has now been almost 1.5 years with no incidents.TLDR: There is a chance that the bottom bathroom tub/toilet could fill with sewage during a guest stay, but I am hopeful that the next time it happens will be the last.

I would also weigh if you plan on staying in the home you are in now for a long time or move in the next 5 years.

I would suggest going to independent landlords and staying away from larger apartment complexes.

I personally would stay away from condo-tels as they will be even worse and you'll have less opportunity to cash flow. 

Stay away from grey LVP pick warmer colors if possible, choose hard surfaces for common areas and soft for bedrooms.