> They're not likely to have the model you want in the specification you want and the colour you want just randomly sitting right there and then, no matter how large the dealership is, so most people have to order.

A lot of people just pick from what they have in stock (or what they can get in very short order from nearby dealerships).

> Right, so trade-in is part of the delivery process and parts is like servicing. These are all things that still need to happen. Financing is part of the buying process so can be done online or they can help you do it if you're stuck.

I don’t understand what you’re going for here. These are things that dealers do, and do a lot of. I thought that’s what you were asking about. You can do them online... but a ton of people don’t.