You can still get CLIs with a zero balance. I recently went fom 4700 to 7k on my Dillard's Amex, with no use in last 6 months. Gonna buy something now though!
Room2Go and CareCredit is 0 balance since it open.
Opps forgot Amazon
They 0 balance of March just pay it off..it is going to be 0 balance for a while..except amazon man I luv that card I use and abuse it..lol
But will I still get CL increase down the road with 0 balance..