It might not be cheaper, though I suspect it would be just because white elephants will white elephant. And besides, what's the likelihood that three separate projects will fail? But the likelihood that a jack of all trades will be a master of none, and thus perhaps ineffective, is pretty high.

> at the drop of a hat

Ha! There are still multiple variants, and you cannot reconfigure instances of one variant to be instances of another, and certainly not at the drop of a hat.