A central part of his immigration plan is to build a giant wall on the border with Mexico. Trump estimates it will cost $8 billion, approximately 35 to 40 feet high and stretch 2000 miles. <ref>[http://www.breitbart.com/big-government/2016/02/09/donald-trump-the-wall-is-probably-8-billion Trump Border Wall]</ref> | A central part of his immigration plan is to build a giant wall on the border with Mexico. Trump estimates it will cost $8 billion, approximately 35 to 40 feet high and stretch 2000 miles. <ref>[http://www.breitbart.com/big-government/2016/02/09/donald-trump-the-wall-is-probably-8-billion Trump Border Wall]</ref> |