TSMC Eyes Tripling Arizona Investment to $465B in Tariff Deal

"Up to". This whole deal hinges on AI chip demand continuing. 11 fabs will take many years to build. They can't be all built simultaneously. It'll likely be over a decade or longer to do all 11.

This means TSMC is hoping Americans will vote out these leaders in 3 years and then quietly "forget" about these commitments.

This is basically the same for all on-shoring promises made by companies.