US President Trump’s social media post suggests a deal has been done with India to reduce the tariffs paid by US importers (from 35% to 18%, with special tariffs relating to Russian oil purchases set to zero). The move will have little effect on the US affordability crisis—Indian imports are less than 3% of the US total. While tariff increases are readily passed to consumers, tariff reductions (strangely) are less likely to be passed through.