You see, all Trump's got to do is give up golf for a year, flying back & forth to Maralargo every two weeks, and BINGO ... wall is paid for. Do you think Trump would do that IF it were possible? Hell no ... Trump never inconveniences himself ... he never puts his OWN SKIN in the game.Jan 26, 2017 · The actual cost for the rest of the border wall (roughly 1,300 miles) could be as high as $16 million per mile, with a total price tag of $15 billion to $25 billion.