[inquest]

prices for consumer goods increase, bottom falls out of housing market, dollar plunges, global trade war, etc.

All these things would result from construction of a barrier? You way overestimate the expense of building it.

[clawrence3]

Well, I was responding to completely "sealing off the border" and, presumably, deporting 20 million illegal aliens - $6 billion for the actual wall will be chump change compared to a global recession - all of those are therefore possible scenarios.