Well, now you can (in theory) buy more than three of them for the (former) price of one, so the only problem is where to store the two part donors... Of course

Well, now you can (in theory) buy more than three of them for the (former) price of one, so the only problem is where to store the two part donors... Of course, the $21K is what you would be getting when you sell it, not what you would be paying if you want to buy a used one.