The difference in the cost also needs to be enough for people to care. If it costs 25 cents more to get the laundry done now instead of later in a world where a

The difference in the cost also needs to be enough for people to care. If it costs 25 cents more to get the laundry done now instead of later in a world where a head of lettuce is $4 I am just going to do the laundry when it is convenient for me. The major loads such as heating and cooling people Also want them immediately and not later.