If they want to implement any policies whatsoever, like any political party they will need money to fund them.
So the first thing they will need to do is to reverse the current direction of travel of the economy. I think that may take an awful lot of focus and effort before anything else :shrug:
Sorry, but under what sort of PR would 2.2% of the vote equate to 80 seats ?
*edit* see it's already been asked
2015 was where UKIP forced the Conservative party to adopt their only policy, so I'm not clear what would have been different :shrug: