Upon signing the Contract(s), Green Spot™ Studio requires a deposit of two-thirds of the final price prior to beginning the fabrication process. The final third is required prior to delivery of the final piece. A Massachusetts sales tax of 5% is added for all MA residents. Payment options include bank checks, money orders, cash or credit card (a 3% surcharge is added to all credit card orders.) Shipping costs, when required, are added to the final balance.