The ratio of the amount of revenue generated by an ad campaign to its cost. If you generated $10,000 from a campaign that cost $1,000, your return on ad spend (ROAS) would be 10:1. While similar to return on investment (ROI), ROAS is more focused on the hard cost of a campaign rather than on the overall value of running a campaign, which could include brand awareness or other marketing objectives.

Building a Highly-targeted Opt in List: When Money Lies Beneath the Lists
Are you successful with your Internet business? Better yet, do you think you are successful with your online business? When most online entrepreneurs are asked with these questions, they often brush it off.