Earlier quoted context omitted.
there aren't that many new jobs added to all the jobs sites every day, so if you limit yourself just to sending resumes within the closest 100 miles, 15 minutes a day can be as much as you can actually spend. and yes sending resumes isn't as productive as having connections, but a lot of people just don't have that many connections that they can tap to get them a job
So make connections. People with day jobs manage to do this, too: imagine how easy it is with lots of free time.
you have to think outside the programmer mindset where there are lots of opportunities to meet people. For other careers, the only way to meet people in your industry is through a job or a conference.