1.For people with a disability and can not work they receive ssi. Ssi (social security income) is a set amount of money sent to people every month for them to pay there bill and buy necessities like food and clothing.
2.Gasoline expenditures increasing with miles driven.
Oil change expenditures increasing with miles driven (typically: 3,000 miles; synthetic oil > more miles).
The cost of education increasing with classes taken.
3.A type of food you buy.Buying a new fridge for your house.
4.Going to store to buy the new ps4 that just came out .Or going to the store for buying the latest iphone.