I was intentionally vague; I had mostly your first point in mind but was also curious to hear of things that are uneconomical to buy/sell online. I asked the qu

I was intentionally vague; I had mostly your first point in mind but was also curious to hear of things that are uneconomical to buy/sell online. I asked the question more out of idle curiosity than anything else, maybe something here sparks conversation or inspires someone :)