---
title: Rule Title Here
impact: CRITICAL|HIGH|MEDIUM-HIGH|MEDIUM|LOW-MEDIUM|LOW
impactDescription: Quantified impact (e.g., "2-10x improvement", "prevents X bugs")
tags: category-prefix, technique, related-concepts
---

## Rule Title Here

Brief explanation of WHY this rule matters (1-3 sentences). Focus on the impact and consequences of not following the rule.

**Incorrect (description of what's wrong):**

```javascript
// Bad code example
// Comments explain the cost/problem on key lines only
```

**Correct (description of what's right):**

```javascript
// Good code example - minimal diff from incorrect
// Comments explain the benefit on key lines only
```

**Alternative (when applicable):**

```javascript
// Alternative approach for specific contexts
```

**When NOT to use this pattern:**
- Exception 1
- Exception 2

**Benefits:**
- Benefit 1
- Benefit 2

Reference: [Source Title](URL)
