1. Buying from a catalogue can mean buying a pig in a poke.

2. I can't buy a pig in a poke.

3. Don't buy a pig in a poke.

4. Never buy a pig in a poke.

5. A careful person will not buy a pig in a poke.

6. As a careless person, she always buy a pig in a poke.

7. I want to see the tennis racket before I agree to the price. I don't want to buy a pig in a poke.

8. I want to see the notebook before I agree to the price. I don't want to buy a pig in a poke.

9. However, consumers need to be careful in case they buy a pig in a poke and find no legal means of protecting their rights.

10. However, consumers need to be careful in case they buy a pig in a poke and find to legal means os protecting their rights.

11. The used car he bought not long ago has broken down and is not worth repairing now. He always seems to buy a pig in a poke and never learns from his mistakes.