Demand is a principle that is also used to determine the price of the product based on the consumerâs desire. It is also most commonly seen in economics. Goods own price, price of related goods, technology used, price of inputs, expectations, number of suppliers and government policies and regulations.
3. Adopting a pet from an animal shelter is much less expensive than buying a pet at a pet store or through other sources. Buying a pet can easily cost $500 to $1000 or more; adoption costs range from $50 to $200.In addition, animals from many shelters are already spayed or neutered and vaccinated, which makes the shelterâs fee a bargain.dopting a pet from an animal shelter is much less expensive than buying a pet at a pet store or through other sources.
1 Adopting a dog from a shelter or breed rescue typically costs between $70 and $300, with breed rescues usually at the higher end. 2  Purchasing a pet quality puppy usually costs between $300 and $1,500, depending on the breed, sex, and quality.hopping for buying a dog: 1  Tip: Purebred dogs are available from breed rescues, usually for much less than it would cost to purchase a puppy of the same breed. 2  The American Kennel Club provides a by-breed list of rescue resources.