It’s not going to be long before we start feeling the impact of Donald Trump’s tariffs on imports from Mexico, Canada, and China. Big Box stores including Target, Best Buy, and Walmart are already telling shoppers to brace for price increases that could start as soon as this week.

With companies scrambling to adjust their strategies and the market reacting with stock drops, the uncertainty about the real impact of these measures keeps growing.

Two of America’s largest retailers, Target and Best Buy, warned Tuesday that prices will increase following President Donald Trump’s tariffs on imported goods from Mexico, Canada and China.