You can quickly see how they operate and understand who is professional and who is not.

I usually recommend clients a pretty easy cosmetic rehab which is refinish floors, replace cabinets with modern white ones, add a white stone, new appliances, new bathroom vanity/mirror/light fixture and add in unit laundry. 

Depends on what kind of property you are operating.

I am a real estate wholesaler operating for the past 4 years in the DFW Metroplex and I found that it's better to keep things simple, and not, deal with real estate agents who don't want you biting off (what they view as) their profits.

While I don't have any horror stories, per se, I have heard of people having a tenant for a year then causing $20k in damages upon move out, while skipping town to not be found again (this was a CA buyer buying from a turnkey operator in AL).  

., if I’m dealing with someone in, say, Chicago or Austin, I know precisely which local operators are closing quickly and which boutique lenders are staying nimble.

Moving to a portfolio model—where a pod (1 PM + 2 VAs) manages all aspects of 200+ units—streamlined operations and improved accountability.

There are also additional costs of operating and maintaining an LLC, like separate bank accounts, annual report filings, tax filings, etc.2.

Quartz countertops, fully tiled bathrooms, higher ceilings and doors, LVP flooring throughout. for us its upgraded appliance packages NO micro above the drop in stove.

WikipediaPro-business environment: Companies are reluctant to set up operations in cities with burdensome regulations that hinder profitable operations.