A merchandise dispute is a claim that's filed because there was a problem with physical goods1 purchased. Common issues include:
A service dispute is a claim that's filed because there was a problem with a particular service2 a customer is trying to use. Examples include:
Financial institutions often have different timeframes and documentation requirements for merchandise and service disputes. For example, merchandise disputes may depend on shipping and delivery dates, while service disputes may depend on terms of the agreement and communication.
1Physical goods include, but aren't limited to, electronics, clothing, furniture, books, supplies, etc.
2Services include, but aren't limited to, renting a hotel room, streaming services, event tickets, repair work, etc.