This practice has hidden what would otherwise be much higher borrowing costs and much lower purchasing power for the dollar.

FORBES: Rising Rates Reveal Debt Reality

Model S should be price at little premium to competition due to lower cost technology, purchasing power of partners and absence of legacy costs.

FORBES: Tesla: Is Elon The Next Steve? Merrill Launches With Buy

They use large purchasing power to negotiate lower drug prices and make money by reducing costs for health plan sponsors and members.

NPR: CVS Caremark 1Q Profit Soars 23 Percent

By designing and building electric motors in-house, GM says it will be able to lower costs and improve performance, quality and reliability by controlling the design, purchasing and manufacturing processes.

FORBES: Magazine Article