What's different about the pet category
Pet supplies split into three groups that each interact with the Amazon-wholesale channel (called 1P, short for first-party — meaning we wholesale your product to Amazon and Amazon resells it) very differently:
Hero toys and signature accessories (the bestseller plush, the iconic chew, the signature collar) — these are where unauthorized resellers cause the most damage. Distributors leak product into the gray market, returns liquidators dump pallets onto Amazon, and you end up with five or ten random sellers listing your product at prices below your minimum advertised price (MAP) — eroding your wholesale-account relationships and rotating who wins the Add-to-Cart button (called the Buy Box). Becoming Amazon's only authorized vendor for these SKUs is usually the fastest way to shut that down.
Food, treats, and supplements — these are pure recurring-purchase products. Customers buy the same bag of food every month, the same training treats every other week, the same joint supplement every six weeks. Amazon's autopilot reorder feature (Subscribe & Save, where customers set a product to ship at a regular cadence at a small discount) is the central revenue lever in this subset. 1P listings get priority placement in Subscribe & Save's search and recommendation surfaces, which compounds over time — every new subscriber adds to the recurring-revenue base.
Functional accessories (litter, waste bags, beds, large carriers) — these are bulky-but-light products. FBA (Fulfillment by Amazon — where Amazon stores and ships your product on the 3P side) charges based on the box your product ships in, not the weight, so big-but-light products get penalized hardest. Moving them to 1P sidesteps that fee structure entirely.
Which parts of your catalog fit 1P, and which don't
Hero toys and signature accessories: Strong fit if you're an established pet brand dealing with unauthorized resellers. The setup we'd typically recommend is Full Channel — we operate as your only authorized Amazon vendor, which gives Amazon a single source to refer to when a rogue seller tries to list your product. If you're testing the waters, Selective (we run just one or two of your top sellers on 1P) is a lower-commitment way to start.
Food, treats, supplements: Strong fit on the products customers reorder. We typically recommend Hybrid — your hero food and treats go to 1P (where Subscribe & Save compounds), and your long-tail flavor variants, promotional bundles, and seasonal launches stay on the 3P marketplace where you have full pricing flexibility.
Litter and bulky-but-light items: Decided product-by-product. Big-box litter and large-format consumables are usually clean 1P candidates because of the FBA-fee escape. Smaller items often stay on 3P where pricing flexibility matters more.
Pet apparel and fashion accessories: Usually stays on 3P. Fast lifecycle iteration, frequent promotional cycles, and size variation all favor the 3P marketplace.
Custom or personalized products: Stays on 3P. 1P doesn't accommodate per-customer product variation.