1–2 quality posts a day is the sweet spot for most creators, but consistency matters more than raw volume. Pick a number you can sustain every week — 5 great posts beat 14 rushed ones that hurt your average watch-time.
Not always, but they help discovery. For educational content, run a rising sound at low volume under your voiceover so you get the trend boost without losing your message. For trend-led content, jumping on sounds early is the whole game.
Comment velocity in the first 30 minutes signals to TikTok that your video is sparking conversation, which pushes it to more feeds. Replying (especially with video replies) also creates free follow-up content and keeps viewers coming back.