Re-Use Hawaii, is a non-profit organization that recycles building materials, which are then resold and re-used. And there is plenty in a old home like this.
Typically it ranges from 60-85 % of the volume of the house that can reused.
If the home was demolished, the waste would fill up twenty construction dumpsters, all destined for the landfill. But Re-Use Hawaii will only need 5 for the stuff it can't salvage.
Deconstruction may initially cost more than a demolition, but home owners get more than just a good feeling at the end, they also get a tax break.
At the end of the year they get a tax deduction for the market value of their donation and on some of these houses it can be substantial.