It would take several years and cost billions of dollars to build plants in the United States to make iPhones here. If that happens, prices could skyrocket.

It’s a great time to buy a new iPhone thanks to Apple’s new increased trade-in values — but they won’t last long.

Apple has temporarily increased its iPhone trade-in values in select countries, including the U.S., Canada, Australia, France, Germany, Italy,

In an attempt to help stem falling iPhone sales in China, Apple has introduced new trade-in deals, though they seem too minor.

U.S. President Donald Trump threatened on Friday to ratchet up his trade war once again, pushing for a 50% tariff on European Union goods starting June 1 and warning Apple he may slap a 25% levy on all iPhones bought by U.