Best think I have done to raise my score from 710 to 780 in 12 months or less is I paid off smaller credit cards, did a few balance transfers, AND I always paid/pay over the minimum req. I think my score would be higher if I didn't have credit freezes(for security). I'm a non-certified accountant! (lol) BSAcc. Hope this helps!!
You don't have to be a certified accountant to get a high score.....710 is not bad. Realistically, to get something in the realm of 780 you would probably need a mortgage and 20+ years of good payment history. No collections, liens, judgements, late payments, etc.