http://www.bingocardcreator.com/stats/sales-by-month These days BCC is in maintenance mode (i.e. I respond to emails, cut checks, and put out fires, but I don't do active development or marketing). It works out to a bit more than my old salary for roughly 69.5 less hours of weekly work. I have two other businesses: I do consulting and I have Appointment Reminder. Appointment Reminder pays its own way now, but doesn't…
With such a vast shift away from desktop downloadable applications, I'm curious to see what you've done from a marketing standpoint to get those numbers. How did you promote your application and drive sales?
With regards to marketing, see my blog (www.kalzumeus.com), but the short answer is I use organic SEO and AdWords. My one trick pony for organic SEO is scalable content generation, and what a beautiful, loyal pony it is.