I have Pokemon that I have EV trained/ Pokemon that I'm EV training that are in different tiers (but some are in the same tier) and I just want to know that if I use them all in one team, and well:
1) First off, is it okay to have a mixed tier team? (well I know it's okay but I guess I mean is represented by the next question)
2) If you have a mixed tier team, is it less effective than a team of a specific tier?
3) Should I just stick to a one tier team?