As a horror fan, I'd been flirting with the idea of subscribing to the horror-themed streaming service Shudder for a while. But this spooky season, I finally decided to take the plunge, and I've been getting my nightmare-fuel fix on the AMC Networks-backed service these past few weeks. Now, with Halloween fast approaching, I'm struggling to justify adding Shudder to my seemingly ever-growing list of monthly subscription costs. The days when cutting the chord promised a cheap future are long past; if you have several of the best streaming services, your monthly bill might rival cable. Shudder's library of on-demand...