(Image credit: Tom's Guide / Samsung) As we speak, the biggest TV-makers in the game are shipping their latest (and in some cases greatest) models to retailers and customers all over the world. But if you take a scroll through the listings of major retailers, you’re bound to notice a mix of both new TVs and models released last year. To make matters more complicated, the year-old sets are almost always cheaper than the models replacing them. In some cases, sets from two years ago linger long into the calendar year. With so many options at varying price points, it’s easy to feel overwhelmed. Having been covering this industry for over a decade, I’m here to help. Last-year’s TVs offer a similar experience for a much lower price (Image credit: Tom's Guide) To keep things simple, let’s compare two TV series separated by a year: the LG C5 and C6 OLED .…