Add to that unrealistic (maybe not since they seem to be getting them) expectations from sellers and it's a recipe for disaster for a disciplined investor.But this is where your due diligence periods have to work for you. 

However, even though the financial aspect of unruly guests were covered, it was the emotional aspect that I wasn't prepared for.

I am going through things with them that I went through with my first property and I really forgot how emotional and frustrating it is!

I am no longer emotionally tied to this house because of all the work. 

I seconded that emotion.

If no catalyst is present to trigger the emotional desire for a seller to discount, then there is no bargain to be had.I'm not here to discourage you, merely to temper your enthusiasm and stay realistic. 

Sounds like this situation has gained an emotional element beyond the just the frustrations of a steep learning curve on the business side.  

All good platform sales start with emotion and motivation.

Not by your choice of where to live which is often driven by emotional factors.And even if your choice for a place to live happens to be a good market to invest in, given your "traveling lifestyle" you will likely be living elsewhere soon enough, leaving your property behind.

I would take all emotions out of it, if you had them sign a lease agreement then do what the lease states and take action that the law allows.