ace side count

What would be the correct method of applying an Ace side count to KISS3? Are there major benefits, particularly with a 2 deck game? Have been side counting aces for a while now but have been guessing on what to do with this information.

So I've learned the hi-lo count, BS, and the illustrious 18. What next? I would like something else to remorize and/or practice. Any suggestions? Also, I was thinking if I should add a side count to aces since I am getting better at keeping track of the count. Any thoughts if this is...