Gorodenkoff/Getty Images Are you planning on upgrading your TV in the near future? Naturally, you should research models and prioritize options offering key features like 4K resolution and related innovations that are increasingly prevalent in TV technology. It's also wise to familiarize yourself with certain  mistakes people often make when buying new TVs . Understanding these common errors will help you avoid making them yourself. Similarly, it's critical to avoid falling for common TV-shopping myths when you're in the market for a new set. You also need to account for practical factors like your budget. However, you shouldn't assume that the most expensive unit you can afford is always the right one to buy. The idea that spending more is always the safest way to get a quality unit is the foundation of several misconceptions surrounding buying a TV. Being aware of such myths when shopping for your next TV will boost your odds of investing in a set that's worth your hard-earned money.…