We publish a huge amount of free guides on all aspects of home automation, and our product pages are packed with detailed information too (scroll through the tabs):
However one big difference with Vesternet is our extensive network of in-house smart home experts and community of DIY enthusiasts.
Chances are if you have a product question it's already been asked before, so first click the Questions link at the top of any product page, then browse all the published answers:
If it's not already answered then simply click the link to Ask a Question, fill in the short form & submit. You'll get an answer back from a technical expert the same day: