Want to be really scared? Google layoff and Humana. Worst job I have ever had. Micromanaged, frequent layoffs and firings, and working from home is not a great benefit if you are chained to a computer...
Ask about specifics: do you have a roster or will you be an "autodialer"? What are the expected daily metrics? What does the training involve? What happens if I don't reach the quota of calls expected...