Cost of running my websites ($100) Amazon S3, Cloudfront fees ($60) PayPal , 2Checkout transaction charges (roughly 3.5%) Electricity ($50) rent ($100) Salary for my VA ($250) Internet Provider Fees ($30) Skype + Phone ($25) Some misc. expenses Office Comp. Backup fees - $10 Website backups - $15 Email Newsletter (Aweber) - $70

For a detailed breakup - see here: http://startupdesi.com/costs-of-running-web-business/

I did not include my hours in to this. But then I never do it.