Ashlea Ebeling, 12 Ways To Beat Capital Gains Tax In The Age Of Trump, Forbes, June 20, 2018.++DT++

Save For College With A 529. The money you stash in a 529 college savings plan grows tax-free and withdrawals for education expenses are tax-free (i.e., no capital gains). The tax overhaul expanded these plans to cover K-12 expenses, but check if your state follows federal tax treatment for K-12 withdrawals, or you could be hit with a state capital gains tax bill.

What is the rule re bunching of 529 plan contributions???