Have you ever sold anything online? In recent years it has become part of our everyday life. The internet is full of sites specializing in selling second-hand items from houses, to cars, to handbags, to children's toys.

Listen as Sue asks Chris about his experience.

Listen out for these key words and expressions. This podcast is bursting with everyday useful vocabulary.

Time wasters

Secure payment

Stuff

Conmen

You need your wits about you.

Do the benefits outweigh he pitfalls?

To knock someone down  - to knock a bit off

To be above board

To be messed about.

To be in awe of someone

To be on your guard