Gift brands rarely sell single SKUs. The cart is a curated bundle: a candle, a journal, a chocolate bar, a card, all combined into one gift box at the moment of pick. Pre-built kits do not work because the buyer chooses the components at checkout. The 3PL has to kit-on-the-fly at pick time, with the right bundle box, the right tissue, the right ribbon color, and the right personalized message. A warehouse that runs gift like it runs single-SKU DTC is going to ship half-curated boxes during Mother's Day week and never recover the reviews.
Channel mix in gift leans Shopify + Amazon, with a heavier Shopify weight because the gift-purchase flow needs to capture custom buyer messages, recipient addresses (ship-to NOT buyer), and gift-wrap upcharges. Amazon supports some of this through gift options at checkout, but the brand experience is owned on Shopify. The packout cannot be generic Amazon-style; it has to look like a gift the moment the recipient sees the carton.
Seasonality is the other axis. Mother's Day, Father's Day, Valentine's Day, December holidays, and Black Friday-to-Christmas stack 60% of annual volume into roughly 10 weeks. Daily volume during peak runs 6-11x steady-state. Labor flex, ribbon-and-tissue inventory flex, and overflow trailer storage are not optional for a serious gift brand. We cross-link directly into our kitting and assembly services for brands running heavy custom-build volumes between peaks.