Inventory management for Shopify cat supply brands

The inventory problems cat supply brands run into

• Variant sprawl. a single litter line can come in clumping and non-clumping, multiple scents, and 3+ bag sizes, so one product can mean 15+ SKUs to track separately.
• Heavy, bulky inventory. litter and large cat trees take up a lot of storage space and cost more to ship, which pushes some owners to order less often in bigger batches, raising stockout risk.
• Food shelf life. dry and wet cat food carry best-by dates, and some supplers date their stock close to when they ship it, so buying too far ahead risks dead stock you cannot sell.
• Mixed supplier types. you might buy litter and food from a regional distributor with fast reorders, and toys or cat trees from an overseas factory with a long lead time, so each SKU needs its own order-by date.
• Private label timing. if you sell your own branded treats or litter, production runs often need a minimum order quantity that is much larger than a normal reorder, which can throw off your usual reorder math.

Seasonality and demand

Cat supply demand is steadier than many categories since food and litter are consumables people buy all year, but there are still patterns to plan for. Kitten starter kits, trees, and toys pick up around spring and early summer when kitten adoption season peaks, and again around the winter holidays as gift items. Litter box furniture and multi-cat setups also see a bump after the holidays when people adopt. Build extra safety stock ahead of these windows, and watch your food and litter reorder points year-round since those rarely dip even in slow months.

Suppliers, lead times and minimums

Food and litter usually come from regional or national pet distributors who restock quickly and often have no strict minimums beyond a case pack, so reorders can be frequent and small. Toys, scratchers, and cat trees often come from overseas manufacturers, where lead times are longer and MOQs can require a full carton or pallet. Specialty or natural treat brands may be smaller suppliers with limited production runs, so lead times can vary a lot between orders even for the same item.

Worked example

Say you sell a 14lb bag of clumping litter in unscented, averaging 4 units a day. Your distributor's lead time is 5 days and you keep 3 days of safety stock, so your reorder point is 4 x (5 + 3) = 32 units. You want 10 days of cover on hand after ordering, and you currently have 20 units on hand with none on order, so order quantity is 4 x (5 + 10) - (20 + 0) = 40 units. If the distributor's case pack is 12, you would round up to 48 units to avoid a partial case.

Try it with your own numbers in the reorder point calculator, or size your buffer with the safety stock calculator.

A simple system to start this week

1. List every variant separately, including scent, size, and formula, since each has its own sales pattern.
2. Set a realistic lead time per supplier, not one number for your whole catalog.
3. Check best-by dates on food and treats before placing large orders, and avoid over-ordering slow sellers.
4. Build safety stock into litter and food reorder points since these items cannot go out of stock without hurting repeat customers.
5. Confirm case pack sizes and MOQs with each supplier so your order quantities round cleanly.
6. Review your weekly reorder report before kitten season and before the holidays, and raise safety days for key items in those windows.

How SteadyShelf fits cat supply brands

SteadyShelf fits well here because it tracks reorder points and order-by dates per variant, which matters when one litter line has a dozen SKUs with different sales speeds. It rounds suggested order quantities to each supplier's case pack and MOQ, so you are not stuck with an odd number of litter bags. It does not track expiry dates on food or treats, so you still need to check best-by dates yourself before approving a large order.

$29/month flat, unlimited products and suppliers, 30-day free trial.

SteadyShelf is launching on the Shopify App Store. Join early access to get the install link first.

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