Shipping 1 to 4, 20 ft containers from Atlanta to West Coast and east coasts of Costa Rica every two weeks. Please identify costs. Costs should include Container and wheels and chasy includes drop off and pickup containers in Peachtree City GA. and transport to USA port (Charleston or Savannah) and delivery to Costa Rica and truck to designated warehouse. No rail transport of items. Please respond and advise if 40 foot containers would be cheaper and more cost effective and by how much cheaper. TDI, Inc will inter into 6 month or 1 year shipping contract(s) if price per units can be reduced. Please identify Container costs for size of Container. TDI Can schedule our out going Containers to meet incoming containers that are empty and dropped in Atlanta by shipper. Thanks for your assistance, Best Regards. Sincerely, J Andrew StJohn JR Architect/CSC, TDI, Inc CEO