Make the show the habit
Name the slot and treat it like a programme. Tuesday restock, Thursday new drop. Viewers return for a format they recognise. Open every show by referencing the last one so regulars feel like they are inside something continuing.
Reward returning viewers on camera. Name the people who bought last week, show the parcel they received, thank them by handle. Nothing else on TikTok LIVE builds repeat purchase as cheaply as being recognised in public.
The parcel is your second advert
Every order arrives at a moment of maximum attention. Put a card in it with the LIVE schedule, a QR to the profile and a code that only works in the room. That card is the cheapest repeat purchase driver you own.
Follow the delivery with a message. TikTok Shop allows seller messaging within its rules. A short note asking how the product worked out reopens the conversation. Keep it human, keep it short and ask one question.
Measure the second order
Track repeat purchase rate within sixty days and revenue per returning viewer. A LIVE channel where almost every buyer is new is a treadmill. One where four in ten have bought before compounds, because you pay the attention cost once and earn from it repeatedly.
Build a subscriber list off platform as well. Collect email or SMS at checkout where the rules allow and use it to announce shows. Renting an audience from one platform is a risk every LIVE seller eventually meets.