A. Before finalizing your purchase, double-check the item price, shipping costs, and any applicable taxes. Make sure to review the total amount in the checkout summary. If you notice discrepancies, try refreshing the page or clearing your browser's cache and cookies to see if that resolves the issue.
B. If the issue persists, consider using a different browser or device to complete your purchase. Sometimes, browser extensions or settings can interfere with the checkout process.