Of course - I was more advocating the practice than the program, as in my last paragraph. To be honest, $5 a month for something that takes 20+ minutes a day is cheap. The opportunity cost is much higher than that. You could earn more than that on Mechanical Turk in a fraction of the time.

Actually, the main downsides on a day-to-day basis for me for 750words are that you have to use your browser for a text editor which is OK these days but I'd rather be using my favorite desktop one, and that you need internet access to write it.