I think you are intentionally misinterpreting parent. When you buy something online, shipping is almost always a separate item on the bill (unless it's free). T

I think you are intentionally misinterpreting parent. When you buy something online, shipping is almost always a separate item on the bill (unless it's free). Taxes are also clearly specified on the invoice. Food delivery apps and Airbnb take it to the extreme, by charging a relatively small price and then adding surcharges. Uber breaks down price into the driver price, marketplace fee, taxes, and sometimes congestion fees. So yes, breaking down price is common.