The document provides 10 tips for creating an economical FPSO (floating production storage and offloading vessel). The tips include splitting the FPSO into a drillship and FSO to reduce capital costs, using an Andy Rotary Engine to power the vessel and reduce operating costs associated with fuel, implementing proper staffing and management, adopting efficient technologies, and aiming for a 20% internal rate of return at $50 per barrel of oil to ensure the project's viability. By following these tips, the document estimates that $108 million in capital costs could be saved, covering ongoing operating expenses.