Seems this company sells the properties and also manages them for out of state investors.  

Whether it's a plumber, property manager, insurance agent, or title company, lean on other real estate investors that have worked with them.  

We are selling off our beach properties due to the rising costs of everything beach related, and the aggravation of property management companies. 

You could add insulation between the walls but that will not stop vibration.I would tell tenants not much you can do. people have the same issues in apartments.

Project Manager throughout the process, working with the GC.

Quote from @Brenden Evans: A large percentage of investors (maybe the majority) never really learn to manage their properties well.

Do a Google search for "Boommates" and you'll find references to the Golden Girls TV show and discussions about two significant issues older people face: the high cost of housing and loneliness.For younger people, we call this "house hacking," where someone buys a house and takes in roommates to help cover the costs.

I would like to get some advice on how people manage their short-term rental properties that are far away and ensure they have positive cashflow. 

They look nice and helped me keep homeless people out.

I've been interested in becoming a farmer for as long as I can remember, and as I've looked at the viability of getting into farming, I've seen how much debt people go into to purchase land and equipment, and how crippling that debt can be for both the farmer and their family.