pg, do you have a quantified list of hardware startup business models that you can share? For example, as a startup, what are the realistic sales & distribution

pg, do you have a quantified list of hardware startup business models that you can share? For example, as a startup, what are the realistic sales & distribution channels that we can model, financially? What we're worried about is designing the wrong product at the wrong price for what seems like a limited set of distribution channels with some rather onerous fixed costs and low margins -- certainly compared to software/SaaS sales. How do you wade through that swamp?