An 800-plus credit score can put a borrower in an enviable position, yet that number does not guarantee another credit-limit increase. Lenders consider more than a score when deciding how much credit to extend, and pushing for a few additional points can create costs that outweigh the benefit.
That creates an odd financial situation. A consumer can spend years building excellent credit, then discover that another 20 points do not unlock a bigger credit line or a dramatically better deal. Meanwhile, chasing those points can tempt someone to open another card, request higher limits repeatedly, or spend more to collect rewards.