How can we improve WHMCS?

When a product is transferred to a new client, all paid or refunded invoices related to that product stay in the previous client's account. This makes it difficult for the new client to track the payment history of the product.

Allow the option to transfer all paid or refunded invoices along with the product when it is moved to a different client's account. This will help the new client see the complete payment history of the product.