STEP-BY-STEP INSTRUCTIONS ON HOW TO COMPLETELY TRANSFORM A STANDARD BOX TRUCK INTO A HD BILLBOARD TRUCK FROM SCRATCH FOR UNDER $35,000 (Normally cost $75k - $99K) / How to locate and purchase screens, generator, program software, and everything needed / Locating clients and how to secure them/ Locating service providers to assist in building your truck (carpenters, welders, electricians)