beginner

Hi all, Just like most other folks here, long time lurker and first time poster. This seems at the onset one of those things where you may be able to read your way to a first time setup, but my word is there a lot of variability out there. I won't be able to figure this out on my own, so it's...

Okay, I know I'm going to need and want a few 5231s, however the HDW4433C-A is a third of the cost. I don't know much about this cam either than it looks like the previous version of the 5231 cosmetically. I see it being sold for as low as $48 delivered and it has audio too! Please help me to...