Originally Posted by
cjdesmond
I didn't expect to get much sympathy, but I have to agree: if a rep had responded within several days of my first question, I could have avoided being blacklisted, as was my explicit intent. I guess I just have to use Hertz from now on, which is a pain for me and several thousand dollars of lost business for Avis.

So you tried to cheat the system, got caught, and now are complaining that you've been blacklisted, and are threatening to move your business to another company.
Your threat will gain you no sympathy here, and i'm quite sure Avis considers you an acceptable loss.