From the Tesla order agreement, you can't resell a reservation;
"No Resellers; Discontinuation; Cancellation.Tesla and its affiliates sell cars directly to end-consumers, and we may unilaterally cancel any order that we believe has been made with a view toward resale of the Vehicle or that has otherwise been made in bad faith. We may also cancel your pre-order and refund your Pre-Order Payment if we discontinue a product, feature or option after the time you place your pre-order or if we determine that you are acting in bad faith."