Listing photos were terrible, tenant vetting was lackadaisical, checks were sent to wrong addresses, tennants weren't properly vetted, charges for "mulch" and landscaping were charged but never physically carried out.

I'm curious if anyone has built or has a list of companies that source Mid-Term Rental properties. 

Profits do not justify their effort even with the ADU addition in this case typically not being hands off .Here is a list of things that make ADU additions a less than optimal RE investment but the value added and starting with tens of thousands negative is a big one that needs to be well understood. 1) The value added by the ADU addition is often significantly less than the cost of adding the ADU.

Instead, focus on immediate delivery units or work with reputable developers—we have a trusted list from 9 years of experience.For something even more under-the-radar, there are also other emerging markets in the Mexican Caribbean that are becoming very attractive for investors—less competition, lots of potential.Let me know if you’d like more info.

On the day I moved in, I found out the property managers had other units in the apartment complex listed on Airbnb because an Airbnb guest tried breaking into the wrong unit (the police were called).

@Andrew Liu you did not list the age of the house.

There are many many pain points to having a large company run your STR, so the reviews should be closer to the bottom of the list. 

Next step - DON’T overlook key inspection items: sewer scope and radon testing.✅ Radon is a radioactive gas that is released from granite into the soil that is known to cause cancer, and can leach right into your home.✅ Any home built before 1980, likely has cast iron or clay sewer lines which will deteriorate over time.These issues can be avoided.

A lot of these numbers of what I have pulled from the real estate listing, and inquiring on property management/landlord insurance rates.I am not looking to make a fortune overnight and realize this would be a slow return on investment/passive income.

Once you've been preapproved, you can find an investor-focused agent in your market that will set you up with an email list of properties that match your criteria.