Reselling is generally legal. There are no particular trademark concerns when it's ultimately the genuine goods getting to the consumer at a different price.
It's very easy to understand why consumers and businesses would be annoyed by this behavior, though, and it may be deceptive or immoral in other ways.
It's very easy to understand why consumers and businesses would be annoyed by this behavior, though, and it may be deceptive or immoral in other ways.