trade–in 
/ˈtreɪdˌɪn/ noun
plural trade–ins /ˈtreɪdˌɪn/ noun [count] : something (such as a used car) that you sell to a business as part of your payment for something new
▪ Bring in your trade-in and receive $3,000 towards any new car on the lot. — see also trade in at 2trade
▪ Bring in your trade-in and receive $3,000 towards any new car on the lot. — see also trade in at 2trade
