Question About Hard Start Kits

https://dominickyfqw891.slatecurrent.com/posts/a-comfort-experts-checklist-for-ac-tune-ups-and-fewer-north-fort-worth-ac-repairs-2

Question About Hard Start Kits Has anyone added a hard start kit to an older compressor? Ours grunts for a second before it kicks on, and the lights dim. The article mentioned it can help sometimes but won't solve a failing compressor