The wall
Trump canceled a meeting with Pena Nieto because Mexico refuses to build the wall. Rumor has it that Trump is going to cut trade with Mexico completely off until the $60 billion per year trade deficit issue is resolved. Right now it is all rumor. If President Trump actually did that, Mexico would pay for the wall. Mexico would have absolutely no choice.
There have been quotes as high as $10 trillion to build the wall thrown around online. MY ESTIMATE: $5 billion and no more, IF THAT. When property costs do not get in the way, according to the New Jersey DOT, roads cost only $183,000 per lane mile to build. http://www.nj.com/traffic/index.ssf/2016/07/does_it_cost_2_million_or_212k_a_mile_to_build_roa.html
The lowest cost state, (South Carolina) has had road construction costs as low as $39,403 per lane mile. Even if the wall cost $2 million a mile to build, we'd get 2,500 miles of wall for $5 billion. Much of the wall is already built, and it is far easier to build a wall than it is to put in a two lane road complete with bridges and drainage. A two lane road that spanned the same distance would cost a lot less than $5 billion, especially if it only had to consider what the wall will need to consider, which is nearly nothing when compared to what a road needs.
So don't be trolled about the high cost of the wall, the real estate is cheap along the wall route and there is no way it can possibly cost a whole lot. This does not mean I am for the wall, because if it can keep Mexicans out, it can also trap Americans in.
MEXICAN ANONYMOUS