Techvestor's project managers direct local contractors to make the STR-specific improvements they desire.

They would have immediate control and responsibility for improvements and maintenance. 

As for the rest of point 4 I think, in a vacuum, this might be correct but as technologies improve, especially LLM/AI products I think Agents will become even less important.

What am I missing if I purchase, improve and refinance using commercial lending?

Realize at the outset that real estate will involve all different types to service, maintain, repair, improve, insure, manage and eventually sell.  

With more feedback we can improve our answers.All the best!

Ask yourself if you can change something to clear a path for yourself to improve your income and/or lower your debt. 

With ADU Geeks he worked all over San Diego so I would be very surprised if he hasn't worked in La Mesa.HELOC is always the most firm route - I have recently learned of some solar companies funding home improvement loans that I am looking into myself.  

We're in the middle of low season with an average booking window of 30 days so I'm not expecting a lot of tangible performance improvements until early September.Re: Revenue management, is there anything I'm missing to improve this area? 

While current deals may not seem to offer great cash flow, the increasing housing inventory and potential rate cuts next year could improve your prospects.