Please go to our "contacts" page to reach us. We accept major credit cards, checks, and money orders. Most products ship UPS ground and shipping costs will be included in your qoute and order confirmation - this averages 7%-10% of total order price. Larger bundled orders of numerous solar panels (typically over 150 lbs.) must be shipped frieght and we will work with you on a detailed quote and shipping arrangements. Price breaks are availabe for large quantity orders and will be determined on a case by case basis.