Odoo retail management offers a free one-app plan that includes core POS and inventory features for single store operations. Paid plans start around $24 per user monthly for the Standard plan, which adds ecommerce, accounting, and multi-store support. Odoo ERP for retail industry implementation costs from a partner typically range from $3,000 to $15,000 depending on business complexity. Odoo retail inventory management setup is included in all these plans without extra fees. For small retail businesses, the free or standard plan often works well initially, then you upgrade as you grow.