Resell implies a business activity where the seller aims to make a profit from previously purchased items. She managed to resell the vintage car for twice what she paid.
Pro Tip 2/3
Second-Hand Market
'Resell' often refers to items being sold again after they've been used, not just new items. I resell my video games online after I finish playing them.
Pro Tip 3/3
Online Platforms
The term is commonly used in the context of online marketplaces for selling used or new items. He uses a mobile app to resell his textbooks every semester.