Our top priority at Mobile Tech Services, Inc. is taking care our most important asset - our customers. That's why we offer superior onsite support to satisfy your needs at the lowest cost you will find among any of our advertising competitors-guaranteed! The cost for onsite service is $75.00 an hour (most visits do not exceed two hours). Costs for Parts (if needed) are a separate charge. Accepted forms of payment are cash, checks and all major credit cards.