At **TOP ENGINE STORE**, we utilize fortified financial gateways to ensure absolute transaction integrity. All payment data is processed via **PCI-DSS Level 1 compliant** third-party providers. We strictly adhere to a **Non-Storage Policy**, meaning we do not process, store, or have access to your credit card details or sensitive banking credentials on our local servers.

The total amount displayed at the final checkout represents the full price of the transaction, including product cost and international freight. We enforce a **Zero-Fee Policy**; no additional surcharges or administrative fees are applied by our store. All transactions are settled in **US Dollars (USD)** to maintain price stability for our international clientele.