A tariff only affects those who buy the product.
So, not all taxes affect everyone.
And if the wall is built it will save billions and pay for itself in other expenses not be charged to the taxpayer.
In theoiry.
In practice, they spread teh costs as widely as possible.
Suppose we increase the price of a foreign good with a tariff by 10 percent. Now the American company increases its price 5 percent, but is still below the foreign company’s price. Who’s paying?
The wall is a good idea. it doesn’t solve the problem by itself, and once you figure in the cost of it, I’m not sure how much money it saves us. But it keeps illegals from crossing.