Furnitue grade beehives? Hmmmmm. Maybe you could stain tem in "honey ok", varnish them, and sell them to beeks as furniture or file cabinets, making each box into a drawer. Don't laugh, I am serious. They would sell if you advertized in a bee mag.I bet you could sell half a dozen her laone.
As for anything else, way too heavy b the time you add frames, comb ,honey and bees, hard to nail (Michael is right that screws would be better). I have pine boxes that are over 40 years old and still work fine.