I've been putting heavy usage on my Discover It and paying in full every month. After each statement is cut I ask for a CLI. The past two months I was offered $300 which I accepted. Yesterday I hit the love button and got $1,100 increase. SL was $2,500 and now its $4,200. I going to keep using the card heavily and keep requesting until they say no! LOL
I think I will get two denial letters for CLIs this week!!
You simply are not trying hard enough. Ask my mailman.