Repeatable needs
Care, hygiene and consumable accessories can support recurring demand.
Pet can fit Amazon extremely well when the offer is specific, the economics survive FBA and the product line can expand around real owner needs.

Care, hygiene and consumable accessories can support recurring demand.
Pet size, age, species and use case allow sharper positioning.
A validated need can become a family of complementary SKUs and bundles.
Better decisions come from reading demand, costs and operational constraints together.
Recurring owner need
FBA and contribution margin
Product line and bundles
PPC by problem and use case
SKU roadmap and EU markets
Before opening an account or increasing spend, understand what the category can realistically support.