Cancelling eBay orders may have some impact on both buyers and sellers, depending on the status of the order and the reason for the cancellation.

Here are some possible impacts:

Buyer impact:

Reputation rating: If buyers frequently cancel orders, it may have a negative impact on their reputation rating on eBay.

Refund issues: If an order has been paid and canceled, buyers may have to wait for a while before receiving a refund.

Product supply: If after canceling an order, buyers need to repurchase the same product, they may face problems with insufficient supply or price changes.

Seller impact:

Evaluation issues: If the seller has already shipped or is preparing to ship, canceling the order may affect the buyer's evaluation of the seller.

Inventory management: After canceling an order, sellers may need to reprocess inventory and may face problems relisting the product.

Fee issues: According to eBay's policy, sellers may need to pay a certain fee to process the canceled order.

In general, canceling an order may cause some inconvenience and impact on both parties. Therefore, before any cancellation operation, it is recommended that buyers and sellers fully communicate and negotiate to avoid unnecessary cancellations.