Based on this, I hired out just the mudding, taping, and texturing after I hung my own drywall.

Just remember, the best time to plant a tree was 20 years ago, the 2nd best time is today. 

Here are the specs:-40 lots, I understand trailers are all owned by tenants-$350 per lot-10 acres-most homes are newer and well kept-outside city limits on well water-large central sewer plant-park is owner managed, his overhead is 25% but he is jack of all trades-owner told me he had appraisal within last few years and value was $1.5 million then-room for addition of at least 20 more lotsI have seen formulas online using a multipliers  of either 60 70.

Value what you get" - Warren Buffett"Someone's sitting in the shade today because someone planted a tree a long time ago." - Warren Buffett"Your alive.

I was doing a repair on one of our houses and noticed the tenants had put in flowers and some other bedding plants plus decorative mulch in some areas.

We've seen a flight to coastal cities with major businesses planting offices in the Southeast and Texas.

If the renter of the ADU chooses to plant and water in the garden wall or elsewhere around the ADU, then the renter will be using the water from the ADU, -the water which the renter is paying for.  

The reason you should check this is that sometimes the electrician will say you need to replace the outlets, switches, fixtures, wiring, breaker panel, meter socket, meter, the transformer outside, and the power plant across town, but maybe you don't actually have to do that much

You may have to spend some time patching and removing glue from the wall before to texture and paint. 

Then the negatives: Train tracks, outdoor gun ranges, air strips, school zones, kennels, flood zones, busy/noisy roads, industrial activity, proximity to odor-generating things like a landfill, paper mill, fish processing plant, etc.In other words, unless you have another reliable source of this kind of detail, USE A REALTOR.