Yahoo Lifestyle is committed to finding you the best products at the best prices. We may receive a share from purchases made via links on this page. Still using an old scale that hasn’t been accurate in over a decade? It’s time for an upgrade. And these days, a brand-new digital scale doesn’t have to cost a fortune. In fact, we found one for under 20 bucks! The Etekcity Digital Body Weight Bathroom Scale is on sale for just $17 ($3 off — woohoo!). With a sleek profile — it’s almost as thin as a MacBook — the scale features a backlit screen for those late-night weigh-ins. No need to tap it with your foot and wait for it to calibrate: Simply step on it and get immediate results. It has an auto-off feature to extend battery life and comes with two AAA batteries pre-installed. Made of tempered glass with a roomy 12-by-12-inch platform, it’s a chic addition to the bathroom. Most importantly, reviewers say the scale delivers accurate results. “Lived up to the hype,” says a five-star reviewer. “I bought this scale after reading all the positive reviews. I was not disappointed. Right out of the box, I found it very accurate! I have always found scales unreliable at my size (240-ish). Th...