Money
How To Save For Retirement When You Are In Your 30s | Bankrate.com
https://www.bankrate.com/banking/savings/retirement-saving-tips-for-30s/When to start saving for retirement | Vanguard
https://investor.vanguard.com/retirement/savings/when-to-start
Health
Maintain Your health and Well-Being During Your 30s
https://www.verywellhealth.com/longevity-to-dos-for-your-30s-2223717
Regrets
11 Things You Will Regret in Your 30s
https://www.popsugar.com/smart-living/Things-You-Regret-Your-30s-3463769930 Most Common Regrets People Have in Their 30s | Best Life
https://bestlifeonline.com/most-common-regrets-people-have/
To Dos
14 changes to make in your 30s that will set you up for lifelong success
https://www.businessinsider.com/changes-to-make-in-your-30s-2017-3
General
How To Make The Most Of Your 30s, Because It's Too Great Of A Decade To Waste
https://www.bolde.com/how-to-make-the-most-of-your-30s/