Libertarianism relies on enlightened self interest, empathy, which really doesn't go with exploiting as many people as possible for maximum profit...
The pricing model is Whatever the Market Will Bear
The concept of Profits Commensurate with Value Added
is for suckers

Private property as an absolute is problematic, considering title is based on the queen/king saying god told me everything me & my minions see is mine to do with as I see fit, with no regard to anyone not white/rich enough to object