If 2001: A Space Odyssey didn't put you off robots for life, chances are you'll have heard of Google Home, and if not, you might be aware of other smart speakers or 'robot assistants' – like Amazon's Alexa.

Following on from our popular Amazon Echo 'Alexa' hacks, in this guide I'll show you how to save money on Google Home devices, as well as a few MoneySaving tricks you can ask Google to do for you.

The most environmentally-friendly option might be to live off-grid with no phone and no contact with the outside world, but tempting as that is, I wouldn’t be without my smartphone. I normally like to keep things for as long as possible, but recently technology has been forcing me to upgrade more often than I’d like. So what’s the most sustainable way to do this? Buy second-hand, which of course is also cheaper – sometimes by a lot.

Okay, so it's 2019 and we don't exactly have hoverboards or flying cars, but what we do have is an artificially intelligent companion known as 'Alexa'. In this guide I'll show you how to get an Alexa device such as an Echo cheaply, or if you have one already, how Alexa can bag you some freebies.