As I said in the PM I sent you, stop opening new threads. That also means use the edit function and stop "bumping" your threads. You are not the only person here with an issue. Relax, breathe. Everything will be ok. You'll get this done and everything will work out. No need to open 8 threads on this subject, or bump your posts so it's always at the top. Keep in mind today is Sat and people are out enjoying the weekend. You'll need to wait more than 18min to get answers sometimes.
How long will the CIT last? We have no idea. It's not the worst unit out there so it might last awhile. You might live in an area with horrible power spikes and it's on it's last legs. How are we to know? Assuming "normal" things like you haven't...