The phrase "secondhand market" is correct and commonly used in written English.
Example: I purchased a used guitar from the secondhand market for a fraction of the original price.
This is the secondhand market.
Publishers, naturally, loathe used books and have developed strategies to depress the secondhand market.
Many of his designs went out of production, leaving aficionados to hunt the secondhand market.
Many enter a secondhand market in the developing world through a receding series of middlemen.
Van Raemdonck says the secondhand market has become much more popular with its customers since then.
The owners cannot sell them, because the secondhand market is overwhelmed.
The results can support a more effective development of online secondhand markets.
The appearance of secondhand markets for digital goods may encourage creators to create digital products that degrade over time.
These secondhand e-commerce platforms maximize the economic value of secondhand markets online, but buyers risk conducting unpleasant transactions with low-reputation sellers.
If we are serious about preventing people from purchasing deadly weapons, we must monitor sales that take place at gun shows and on secondhand markets.
Yet the evidence suggests that the costs to publishers are not large, and also suggests that the overall gains from such secondhand markets outweigh any losses.
