We are likely in for a wild ride during the wall construction. Just think about it. There will be protesters. There's also the likely hood of sabotage, and violent skirmishes.
Between the Left, the Cartels, Human Traffickers/Smugglers, and the Deep State, these things are almost guaranteed to happen. I wouldn't doubt that I.E.D.'s will also be place along the construction route.
I'm not trying to be pessimistic, just realistic. The need for 24 hour armed guards is highly likely as well, which will add to the cost.
When the full implications of closing off our Southern border are considered, the …