SentryKit is software for Amazon sellers, providing tools that help e-commerce operators save time and improve selling workflows. While its audience is e-commerce-specific, it fits the business SaaS scope because affiliates promote operational software to sellers, agencies, and Amazon-focused educators. The program works for marketplace consultants, Amazon seller bloggers, e-commerce SaaS reviewers, and newsletters covering merchant automation. It includes a cash commission percentage and recurring payout language tied to active subscriptions.