No; I'm not joking. There's nothing to joke about here. It isn't just about companies wanting to sell goods.
Tariffs, and customs regulations, will come into play once we leave. Almost every product that we sell into the EU's customer base, of 500 million people. will carry a tariff.
I remember Boris Johnson, circa 2015, telling us how important it was that we were part of the EU. He did a complete U-turn on that. Of course, we have now got used to him, his SPAD and his cabinet, lying to us , almost, on a daily basis.
I think that i might go up to Barnard Castle for a holiday