It is amazingly easy to do, after 5 horde battles you have 250 in one stat. Plus now each stat has a ev cap right at 252 so you don't have to stress about going just over. What more could you ask for?
I didn't know about the EV cap, that is pretty great! Definitely makes keeping up with the counting no hassle lol.
I didn't start EV training until I was done with the story. One of these days... I'm sure I'll do EV training while playing the story, especially if they plan on keeping some form of Super Training alive in the future.