Over the last few years, the market has been flooded with security cameras aimed squarely at the homeowner. You can find any number of cheap, high-spec cameras on Amazon. A lot of these cameras get decent reviews too. Generic/knock-off cameras are quickly bridging the gap with high quality manufacturers like Nest and Samsung. With increased competition continuing to drive down prices in the security camera market, building your own home security camera system has become an affordable DIY project for the average Joe.
Like a lot of people, I started out with the Best Buy special. My first foray into home security cameras was a Swann analog camera 4-pack with a 500 GB DVR for $350, purchased in 2012. Something similar to this: