docs(readme): clarify comparison footnotes — $0 cost caveat + Pixieset video cap

- you still bring your own server (own hardware or VPS) and optional domain.
- Pixieset "unlimited" storage is photos only — video is capped per plan (~0–10 h depending on tier).
- Renumber the PicPeak storage footnote (* → **) so the three markers don't collide.

README.md

@@ -382,8 +382,8 @@ See our [Contributing Guide](CONTRIBUTING.md) for details.
 |---------|---------|---------|--------------|----------|
 | Self-Hosted | ✅ | ❌ | ❌ | ❌ |
 | Custom Branding | ✅ Full | Limited | Limited | ✅ (paid) |
-| Monthly Cost | $0 | $29-199 | €19-99 | ~$60 |
-| Storage Limit | Unlimited* | 50-500GB | 100-1000GB | 3GB–Unlimited |
+| Monthly Cost | $0* | $29-199 | €19-99 | ~$60 |
+| Storage Limit | Unlimited** | 50-500GB | 100-1000GB | 3GB–Unlimited*** |
 | Client Uploads | ✅ | ✅ | ✅ | Limited |
 | API Access | ✅ | Paid | ❌ | ❌ |
 | Open Source | ✅ | ❌ | ❌ | ❌ |
@@ -391,8 +391,10 @@ See our [Contributing Guide](CONTRIBUTING.md) for details.
 | Quotes / Contracts / Invoices | 🧪 Beta | ❌ | ❌ | ✅ |
 | Incoming Invoices & Accounting | 🧪 Beta | ❌ | ❌ | ❌ |
 
-*Limited only by your server storage.
-🧪 Beta = built but feature-flagged off by default (see [Beta Features](#-beta-features-use-at-your-own-risk)). picdrop and Scrapbook.de are gallery/delivery tools (no client billing or accounting). Pixieset's client CRM, contracts and invoices live in its paid **Studio Manager**, but it has no inbound supplier-invoice capture or bookkeeping/accountant-export module.
+*You still bring your own server (own hardware or a VPS) and, if you want one, a domain.
+**Limited only by your server storage.
+***Pixieset's "unlimited" is photos only; video is capped by plan (roughly 0–10 h depending on tier).
+🧪 Beta = built but feature-flagged off by default (see [Beta Features](#-beta-features-use-at-your-own-risk)).
 
 ## 🛡️ Security