It's time to tackle your closet — and this year, there are some compelling reasons to get started now. You’ll save hours of wasted time and, even better, make some cash. This week, home-furnishings ...

Here’s how it works: Anyone can create a Poshmark account for free. Sellers snap a pic of an item from their closet, then upload it to their profile with a description and price (the minimum is $4).