Insights & Frameworks

iDecide Blog

Discover actionable strategies, cognitive models, and data-backed evaluation frameworks to make confident choices in career, finance, and life.

Showing 9 of 105 articles (Page 11 of 12)
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Buying with Loans vs Saving up Friday 17th of July 2026
Decision Science 1 min read 2 views

Buying with Loans vs Saving up

- **The Loan Trap:** Buying on credit inflates costs; a $500 phone can become $700+ with interest, locking you into future income....

The true cost of Impulse Buying Thursday 16th of July 2026
Decision Science 1 min read 1 view

The true cost of Impulse Buying

- **$30 today = $15,000+ lost in 10 years** if invested at 7% instead of spent on impulse. - **Credit card impulse buys at 20% A...

Buying with Loans vs Saving up Wednesday 15th of July 2026
Decision Science 1 min read 2 views

Buying with Loans vs Saving up

- Loans turn wants into costly debt; savings turn needs into true ownership. - The 30-day rule: wait on wants, budget needs with...

The 50/30/20 Budgeting Rule Friday 10th of July 2026
Decision Science 1 min read 1 view

The 50/30/20 Budgeting Rule

- 50/30/20 rule: 50% needs, 30% wants, 20% savings & debt. - Pause before every purchase: ask “need or want?” and check your 30%...

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