Just looked into 529 account contribution limits and honestly, they vary way more than I expected depending on where you live. Arizona tops out at $575k while Georgia and Mississippi are only at $235k. Pretty wild difference. The thing most people miss is these are lifetime limits per beneficiary, not annual caps. So if your parents also open an account for your kid, the total still has to stay under the state limit. There's no official yearly max, but gift tax rules matter - you can contribute up to $95k in one shot without triggering gift tax if you don't contribute again for 5 years. Also worth knowing: most states only let you deduct 529 plan contributions on your state taxes if you use your own state's plan. So if your state's contribution limit seems low, switching to another state's plan might not actually help you tax-wise. The 529 account contribution limits are really just one piece of the puzzle - fees and investment options matter too. But with college costs climbing, understanding these limits is definitely worth the time.