8.1 互动图书与测验——价值评估

Advertising vs. Facts – Tell the difference between marketing claims 和 verified product info.
Reliable Sources & Bias – Identify trustworthy reviews, spot bias or incentives, and check multiple sources.
Total Value - 比较 unit price, hidden costs, durability, and inflation to judge real worth over time.

Smart Decision Strategies – Use delay-and-save, weigh wants vs. needs, and match spending to personal 值.

Ads Aren’t Facts – Always verify with specs, manuals, and verified reviews before believing bold claims.
Check the Source – Trust verified buyers over anonymous posts and look for bias or paid promotions.
Count Every Cost – Add shipping, tax, and future replacements; the cheapest sticker price may cost more later.
Pause & Prioritize – Wait before buying, pay yourself first, and choose products that fit your goals and values.