Amazon’s first big sale event of the year doesn’t start until tomorrow, but you can already save big on its Echo smart devices. It’s no surprise that Amazon is selling its own-brand gadgets at low prices, it always does during sales events but it means it’s a chance for you to kit out your home for a fraction of the price. Two of the best deals see you saving more than 50% starting with the Echo Pop Alexa-enabled smart speaker, which is normally £44.99 but down to just £19.99 saving you a whopping 56%. You can choose any of the four colours and there are also deals if you want to bundle it wit…