Clothing or jewelry Cosmetics (makeup, skin care, chemical-free deodorant/toothpaste) Books (this one), board games, toys Inventions, gadgets, art, other creative endeavors Rental Systems A rental system is a form of a product system where the product is not bought but rented. The legacy occurs because both the product and its use through duration create income. Notably, the expiration of time becomes your ally. Some examples: Rental real estate (residential, commercial, Airbnb property) Rental services (cars, party tents, heavy equipment, bounce houses) Parking garages