I have sent my resume to enterprice website. A lady called my next day to schedule for an phone interview. It went so easy and end of the interview, she asked me to come to office. Next week, I was in the office with her. This interview also went pretty easy. I studied glassdoor to learn how to answer questions about behavioral interview questions. However, next week after the interview she sent me a mail that they are going to work with other candidates. I dont understand what didnt work. To be honest, I was little sad but I didnt care much. I am already making $3000 sometimes more in a month CASH right now. I am not looking a job desperately. It might be the reason. I told her that last year in 6 months I made $60K cash. this effected the outcome.

Not bad at all. They want to see that you have some ambition and confidence. Basic questions about leadership experience, sales experience, how you've handled tough situations in the past, etc.