fix(lastfm): resolve canonical metadata for album art and multi-artist scrobbles

ads-math-10-per-month.md

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+# Lucky Discord Bot: $10/Month Ads Math
+
+## Google Search: $0.33/day ($10/mo)
+
+| Metric | Value |
+|--------|-------|
+| Monthly budget | $10 |
+| Est. daily budget | $0.33 |
+| Avg CPC (niche) | $0.50 |
+| Clicks/month | ~20 |
+| Landing page CVR (11.5%) | ~2.3 invites |
+| GitHub stars (5% of visitors) | ~1 star |
+| **Cost per invite** | **$4.35** |
+
+---
+
+## Platform Viability Check
+
+| Platform | Min Budget | Status |
+|----------|-----------|--------|
+| Google Ads | $0.33/day | ✅ Viable |
+| Reddit Ads | $5/day ($150/mo) | ❌ Non-viable |
+| top.gg CPM | Unknown | ⚠️ Likely non-viable |
+| Discord Bot Lists | Free organic | ✅ Free option exists |
+
+---
+
+## Organic Benchmark: Reddit Posts
+
+To match ~2.3 monthly invites from paid ads:
+- 1 well-placed r/discordservers post = ~3–5 invites (free)
+- **Recommendation: Skip paid entirely; do 1 organic post instead**
+
+---
+
+## Recommendation
+
+**Go $0 paid, invest in organic:**
+1. **Google Search**: $10/mo yields only 2 invites at $4.35 each — below cost-of-customer viability for a free product.
+2. **Reddit organic**: 1 monthly post in r/discordservers costs $0, lands 3–5 invites.
+3. **Best use of $10**: Save it for later when budget ≥$50–100/mo (then Google becomes 5–10 invites/mo at $1.50–2.00 per invite).
+
+**Current focus:** organic + Discord Bot List free listings.