You could have done all that inside of the EU as well, while not getting shafted mone wise

But everyone to his own.
Of course the UK will get a deal. It will include access to the single market and and freedom of movement. So basically, everything will stay as it is. Just without us having to worry about what the British PM will try next to please his voters

Everyone knows it, even the brexit politicians. That's why they are hesistant to trigger 50.
I would imagine the tariffs enforced would be the same as for any other country we don't have a trade deal with. Easy.
Seriously, I'm having a laugh now at this mess

It shows what mass hysteria, propaganda, uneducation and a broken political system can do.
Trump on the other hand is scary.