Our telephone number is (925)689-5099. Please submit payment within 7 days after listing or auction ended. Unless otherwise specified, all auctioned sales are final. PayPal is our preferred method of payment. In most cases, we shipped within 1 business day after payment received. We ALWAYS leave you speedy feedback; please return the favor when you are satisfied with your purchase. Before leaving a negative feedback, please contact us first because we always work hard to solve all problems and keep customers happy - you will not be disappointed. Thank you for shopping at Paramount Computers, located in the beautiful East Bay of Northern California.