First, he'll have to pay "prevailing wages" to his crew, which will be double what he normally pays them.
Then he will have to submit all of the paperwork that he is complying with the Fair Labor Act, the Equal Opportunities to Minorities and Snowflakes Act, the Don't Kill Fuzzy Pink Frogs Act, etc.
Then he will have to submit to an audit by the IRS, DEA, NCAA, etc. to make sure his books are properly cooked.
By the time he's finished, $8 billion won't be enough for the 234 miles of fence.
The Davis-Bacon Act can be suspended in case of emergency. Likely the American Iron and Steel Act is the same.
Apparently Tommy Fisher has never worked on a Government contract before......................
Fisher Industries is a major construction, sand, gravel, steel operation here in North Dakota. They are hardly new to the Federal bidding game and have a good reputation of delivering on time and to specification. Reportedly, Fisher is already building wall on the border for other than the Fed.