Short answer
A safe creator commission is the percentage left after the order covers the platform fee, product cost, seller fulfillment, expected return loss, ads and the profit margin you want to keep. There is no universal best rate.
TikTok Shop affiliate economics
Compare your proposed rate with two useful limits: the break-even ceiling and the lower ceiling that still preserves your target profit margin.
A safe creator commission is the percentage left after the order covers the platform fee, product cost, seller fulfillment, expected return loss, ads and the profit margin you want to keep. There is no universal best rate.
The highest creator rate that preserves the selected target margin.
A commission rate is affordable only after the rest of the order is paid for. The same 30% rate can be healthy on a high-margin product and loss-making on a product with heavy shipping, returns or paid media.