This can create deprecation needed to offset these gains, and we don't need to qualify for real estate professional to take advantage of it in this case here. 

Go through the formal eviction process, hire an eviction attorney.

Unless you use a local professional familiar with the market, who you trust, best way to know a good deal is to study the market.

If the guest feels slighted, there is no fact checking service provided by AirBnB to confirm their claims, so it is up to you to let future guests know the level of professionalism you provide.If you are able, I would recommend editing your response to the 1-star review.

If you are hiring a PM, then it's not a big difference either way, but if self-managing you don't want to go much bigger than you have been or you may not be able to do all the work.

Hi Lucas, welcome to BO forum- you will connect with many professionals and learn a lot here. 

Networking with other investors and professionals is crucial for learning and finding opportunities.

You can purchase them yourself and just hire an HVAC tech to install to save money, but it's going to cost more plus you'll have to maintain them. 

I have a local handyman that helped me hired junk removal company and pest control for the roaches.

Painting, for instance- an amatuer could take their time and paint a house over the course of a couple weeks and do a great job, but a professional crew could do the entire job in a day.