Since 2007, the couple has sold 51 parcels of land and built 25 structures, including a community center, base camp, and five true treehouses. It's a perpetual work in progress. "We have pretty ... more 
Since 2007, the couple has sold 51 parcels of land and built 25 structures, including a community center, base camp, and five true treehouses. It's a perpetual work in progress. "We have pretty limited seasonal ability to do construction just given the rainy season," Hogan says." Realistically, the amount of building time is between four and six months maximum." less 
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Business Insider | Photo By John Urbano
Tue, Jul 31, 2012 12:00 PM EDT