You're buying a new computer at an electronics store. You've told the salesperson which computer you want to buy, and then he asks:
That comes with a 90-day warranty. Would you like to purchase an extended two-year warranty?
You bought airplane tickets for you and your wife to go to Germany on vacation. You bought them because the tickets were really cheap. Now your wife is angry because you didn't ask her first. You want to explain why you bought the tickets. You say:
It was a great deal. It seemed like a no-brainer.
You and your husband were thinking of going on an overseas vacation. Today he bought plane tickets for both of you. You're upset because he didn't call you before he bought them, and you don't like some of the flight details. You say:
How could you buy them without consulting with me?
You're helping your girlfriend shop for a used car. She find a car that she might want to buy, but she's not sure if it's a good choice. She can't make up her mind, so she asks you what you think. But you can't decide either, so you say:
It's your call.
buying, decision, relationships, 日本語サポート 
Earlier today you bought a pair of gloves, but one of them had a hole in it. Now you've returned to the store where you bought the gloves. You want to explain your situation to a cashier who works there. You say:
I bought these here earlier today, but when I got them home I discovered that one of them seems to have a hole in it.
background, buying, clothing, home (topic), shopping, store, time, 日本語サポート 
You're shopping at a grocery store with your son. You see that toilet paper is on sale there, so you think it's a good idea to buy a lot of it now. You say:
We might as well stock up.
buying, grocery shopping, sale, shopping You and your husband don't have any plans to do anything for Halloween. You were just going to stay home. But your husband sees a costume that he wants to buy while you're out shopping together. You don't think he should buy it because it's a waste of money. You say:
There's no point in buying a costume if you're not even going to wear it out.
