The service you mentioned (like getting 10,000 Douyin likes for 0.01 yuan instantly) is not only non-compliant with Douyin's community guidelines and terms of service but also carries significant risks:

1. Account Penalties: Douyin’s algorithm strictly detects fake engagement (likes, followers, comments). Using such services may lead to your account being shadowbanned (reduced visibility), restricted from posting, or even permanently suspended.
2. Scam Risks: Most of these "too-good-to-be-true" offers are scams. You might pay but get no actual likes, or your personal information (like account credentials, payment details) could be stolen, or your device might be infected with malware via malicious links.
3. No Real Value: Fake likes don’t contribute to genuine growth. They don’t bring real viewers, comments, or loyal followers—key factors for long-term account development.
   For legitimate Douyin growth, focus on creating original, interesting content that resonates with your target audience, interact actively with your followers, and use official promotion tools (like Douyin’s Dou+ function) if you want to boost content visibility—these are safe and compliant ways to grow your account.
   It’s best to avoid such risky services and choose legal, sustainable methods to build your presence on the platform.