✅ ❌ No, we couldn't find enough information regarding the exact headline "mastering your finances: essential tips for every decade from 30s to 50s" from major authoritative news outlets or widely recognized financial institutions as a single, precise title. However, similar financial guidance broken down by decades is a common theme across multiple reputable sources.

Here are some close matches from major financial advice outlets that discuss financial tips by decade:

1. https://www.fidelity.com/learning-center/personal-finance/financial-goal-examples - (Trust Score 8/10)

- Fidelity outlines financial milestones and goals tailored for those in their 30s, 40s, and 50s, such as building emergency savings, retirement planning, and managing debts. While not exactly the same headline, it covers the same scope effectively.

2. https://www.northwesternmutual.com/life-and-money/guide-to-financial-planning-in-your-30s/ - (Trust Score 8/10)

- Northwestern Mutual provides detailed financial planning advice targeting individuals in their 30s but references planning steps that extend into future decades.

3. https://www.dowjanes.com/blog/money-mistakes-to-avoid - (Trust Score 5/10)

- This source covers money mistakes and financial advice differentiated by age groups: 30s, 40s, 50s, and 60s, emphasizing practical tips relevant to each decade.

These sources confirm that the general premise of mastering finances with essential tips for specific decades (30s to 50s) is widely accepted and promoted. However, the exact phrasing or headline structure examined does not appear verbatim on major news or financial websites. Thus, the content is authentic and true in spirit but not identifiable as a uniquely original headline from top authoritative outlets.