We do get a better fee/split structure, and that's a fair trade for the extra work of managing a large investor base and it's associated extra accounting and tax reporting overhead.I also find the advice in the OP to be contradictory. 

.--- Tactic 2: Quality and Aesthetics: He emphasized high-quality construction and appealing design, enhancing long-term value.--- Tactic 3: Strategic Land Acquisition: Bren acquired land in strategic locations, often before areas became highly desirable.3.

Consider how it will be used and if the floor can function as storage, rec room, family room, extra sleeping space, etc.From what you've shared, my concern would be the "hills" that may cause a tripping issue.

Do you have a full-time job already, assuming you have extra time, do you want to spend it doing another brain-draining task or would you rather spend it enjoying yourself?

You can lower the price.The buyer can pay the extra $9k in cash, if they have it.The buyer can walk away with their earnest money and you can lower the price $9k for the next buyer or require them to bring $9k in cash. 

Older people like this often need a little extra help with technology.

If you buy an outdated smaller 2bd/1ba home for $150,000 in an area where remodeled 3bd/2ba homes are selling for $300,000, and you know it will cost $50,000 to update the home and add an extra bedroom and bathroom, you can be relatively sure you will be able to recoup your investment. 

If you need a reliable roofing contact, let me know—I’d be happy to recommend someone.Your agent should have negotiated a clear possession date that accounts for the seller needing extra time to move.

It does depend on a few things as you know like price, location, and the extra's like what's there like water. septic, electric etc.Do you have it posted on Facebook Marketplace and offered it to any agents or are you selling it solo? 

If I sold, I could be debt-free and have extra money each month to invest elsewhere.