Like all things, this place has some good, and bad. This place is more bad then good however.
The good:
It's super close to Volcano National Park. During our 2 night stay, we were able to visit the park multiple times, and varying times of the day.
The bad:
Where to start.... The owner resides out of state, and while responsive to messages, what can she really do, when she's thousands of miles away.
The first thing you notice when you walk in, is the overpowering musty/mildew smell. I get it, Volcano is wet, and damp all the time, but the other places we stayed on our trip did NOT have this smell.

Next up, was the overall state of cleanliness - or lack of... The floor was dirty. "House rules" say to remove your shoes, but clearly that's not happening. The fold-out couch was full of crumbs and dirt when opened up. The walls were filthy, and covered with what looked like mold.
The appliances have all seen better days, as have the linens. The tub of "extra towels" under the bed is easy to find, but full of small wash cloths and hand towels. Considering the extra booking fee for our son ( as a 3rd person), I would expect 3 full sets of towels.
The downstairs unit has a washer/dryer in the closet, but the owner does not allow it's use.
The upstairs unit was rented out to a couple that was unaware of how thin the floors were, and was the nightmare upstairs neighbor you don't want.
Parking is beyond tight, when both units are rented. The "parking" spot for the downstairs unit is VERY tight - especially if you're driving an unfamiliar rental car. There are only 2 real parking spots, and the owner seems to store a car in one of them.
At this point, it feels petty to mention, but the AirBnB listing also says the unit has a smoke detector, we were unable to find it.
ProTip: When visiting Volcano, bring food/groceries. The local options are few, overpriced, and sporadically open.