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. If an emergency occurs, young sitters can call upon their parents quickly for help。 you do not have to take them far to see them home at night or pay expensive taxi fares. Another advantage is that young people living close by can usually fill in quite readily on short notice or for short periods of time. In an apartment house you can ask the superintendent for permission to post a notice for a babysitter by the mailboxes. This is often the best way to find out if there is anyone in the building who is interested in babysitting. Retired people as well as students are often glad to earn a little money in this way and can be found by such a note. 1. We can infer from the first para