Name something people trade.
| 1 | sports cards | |
|---|---|---|
| 1 | hockey cards | |
| 1 | trading cards | 43 |
| 1 | cards | |
| 1 | baseball cards | |
| 2 | investments | |
| 2 | bonds | |
| 2 | stocks | 21 |
| 2 | savings | |
| 3 | shipping | |
| 3 | stamps | 14 |
| 4 | suvs | |
| 4 | trucks | |
| 4 | vans | |
| 4 | automobiles | |
| 4 | cars | 6 |
| 4 | vehicles | |
| 5 | novels | |
| 5 | books | 3 |
| 5 | guidebooks | |
| 5 | dictionaries | |
| 5 | textbooks | |
| 6 | change | |
| 6 | coins | 2 |
| 6 | dime | |
| 6 | loose change | |
| 6 | quarter | |
| 6 | penny | |
| 6 | nickel |