Scope Comparison: Included - 5 static pages; Extra - online store, blog section (both major additional builds); Unclear - none, request is clearly outside original scope. Severity: 8/10 - this significantly expands project scope and technical complexity. Best Response Strategy: Clearly acknowledge the request, explain it's outside original scope, and offer a separate quote. Additional Pricing: Suggest pricing the store and blog as separate add-ons, roughly $400-600 each depending on complexity. Client Message: "Happy to help with that! An online store and blog are both significant additions beyond our original 5-page scope, so I'd put together a separate quote for those - want me to send pricing for each?" If Pushback: "I understand it might feel connected, but a store and blog each involve their own setup, testing, and functionality beyond the original static pages - I want to make sure they're built properly, which does require additional time." Prevention: 1) Define exact page count and features in writing upfront, 2) Add a clause stating "additional features priced separately," 3) List specifically what's NOT included, 4) Require written approval for scope changes, 5) Build a simple scope-change-request template for future clients.