Backup Plugin

Hi, I am a WordPress developer of about 1 year. I have still not found a backup plugin that does the entire site. Database and Files. I have tried a ton. The best I have found is Backup Buddy. Unfortunately it has it’s drawbacks. For one, it does not play well with Go Daddy. Second, it will not do large sites. Say 5 gb and over. And third, I thought when I bought a developers copy with unlimited sites that would be it. But no, they charge you $90 a year. It I do not renew then all my clients are up shit creek. Short of doing this manually is there an awesome back solution that is not super expensive? Any ideas would be much appreciated. Thanks.