As an author It gives you potential ongoing revenue stream for years to come. (lachesispublishing.com)
I also LOVE the royalty split deals as it means ongoing revenue for the long term, which is what we all want. (thecreativepenn.com)
By implementing recurring billing models, you can create a predictable, ongoing revenue stream without the overhead of having to market and sell to a new customer every time. (lexicata.com)