Time for another price hike, and this time, it’s smart home security manufacturer Arlo that’s upping its subscription rates—again. Arlo users with a single camera received an email this week informing them that their Arlo Secure subscription rate will soon climb to $7.99 a month, a 60-percent increase compared to the former $4.99-a-month price. In the email message, which was posted to Reddit by an irate Arlo user, Arlo said that it was raising its single-cam Arlo Secure price “due to increasing costs and investment in developing innovative solutions.” This news story is part of TechHive’s in-…