Don't like fascism? Stop supporting companies that like it. It's not sufficient, but it's necessary.
Don't buy from Amazon. Don't buy from Whole Foods. Don't buy from Walmart. Close your Facebook/Instagram accounts (keep Messenger and WhatsApp if necessary - you can create a new Messenger-only account if needed). Close your Twitter account.
Boycotts work when they are widespread. This *is* doable, but it takes organizing.