 The latest top-of-the-line smartphones can cost anywhere from $700 to well over $1,500. And the prices are even higher for laptops reaching past $2,000. You're not just buying a new gadget. You're making an investment. What you have to do is take care of it and avoid these five mistakes that will curtail your smartphone device's lifespan. America's Digital Demon, Sundays at 8 a.m. on the News 1490 KYCA.