Rank factors for TikTok market entry

TikTok plans to enter a new country (Market Z) in Q4-2025. Rank the following four factors by importance for a go/no-go and rollout plan, justify your ranking, and propose how you would measure each factor pre-launch: A) Regulatory and platform constraints (e.g., data localization, app store policies, content moderation liability), B) Creator supply density and local content fit (e.g., active creators per 1k MAU, language/genre coverage), C) User acquisition cost and expected retention (e.g., CAC:LTV, day-1/day-7 retention, device/smartphone penetration), D) Advertiser demand and payments readiness (e.g., ad market size, brand safety tolerance, payments settlement). Then: 1) define quantifiable proxies and target thresholds for each factor and how you would obtain them before launch, 2) design a 4–6 week staged test (e.g., smoke test/waitlist, creator seeding, limited beta) with success metrics and explicit stop/go/expand criteria, 3) propose a simple scoring model (weights, data sources, tie-breakers) to compare Market Z to two nearby markets, and 4) outline the top three risks and concrete mitigations for each during the first 90 days post-launch.