Choosing ecommerce SEO services starts with your business goals, not a generic...

https://seo.edu.rs/blog/what-should-i-do-with-discontinued-products-for-seo-11223

Choosing ecommerce SEO services starts with your business goals, not a generic package. Ask how they handle faceted navigation and stockouts, what reporting shows, and whether guarantees are written and tied to work they control.