(Doesn't cover everything obviously, but it's a good start)
Anything made in the UK is automatically legal in EU. So UK businesses can compete across Europe✅
Protects Good Friday Agreement✅
Following EU rules, but having NO say, whereas NOW we have 10% of the EU Parliament's votes despite being 1 of 28 countries❌
Laws drafted for UK benefit only✅
We copy EU law anyway to help trade❌
No EU Court BUT ECJ gives UK citizens extra protection✅❌
⬆️cost adapting products to EU laws+regulatory checks ❌
🚛Checks Northern Ireland ↔️Ireland and Breaks Good Friday Agreement❌
Set our own tariffs & trade policy✅
We'd have a smaller market as leverage in negotiations so we'd end up lowering tariffs on UK industries that would be out-competed by unfairly subsidised or substandard foreign products❌
💀Good Friday Agreement❌
Keep the benefits of trading with the leverage of28 countries with a combined market of 500 million people and $19.6 trillion GDP✅
Have less control over our trade policy as we would no longer be represented in the EU institutions.❌