Merchandise (Either good, it’s just one that sells well.)
1.goods that are bought and sold:
Japan exported $117 billion in merchandise to the US in 1999.
2.to encourage the sale of goods by advertising them or by making certain that they are noticed:
She had to merchandise the new product line.
goods (Something that individuals and businesses both buy and sell.)
1.Items for sale, or possessions that can be moved:
They sell leather goods such as wallets, purses, and briefcases.
Source. Cambridge dictionary