The Insider Picks team writes about stuff we think you'll like. Business Insider has affiliate partnerships, so we get a share of the revenue from your purchase.With just two weeks before Halloween, it's prime time to lock down your costumes and plans for the night. If you're anything like us, you've mostly been stressing over costume ideas and are only realizing now that you might have to decorate the house, whether for trick-or-treaters or party guests.You don't have to force yourself to go to a physical store and risk getting lost in the maze of Halloween paraphernalia. Shopping for all the Halloween decorations you need on Amazon is much more convenient, and Amazon's two-day Prime shipping means you can actually put off buying them if you really wanted to.For all the procrastinators out there, we've rounded up some affordable decorations to spook and charm your visitors on Halloween and the nights leading up to the holiday. Since they'll get to you in two days, you'll have plenty of leftover time to kick back and sneak a few pieces of candy for yourself.Shop these 17 Prime-eligible Halloween decorations that are nearly all under $30:A spooky bowl you can use to store candy for Halloween and small trinkets the rest of the yearYTC Bronze Resin Halloween Skull Candy Bowl, $21.99, available at AmazonPretty purple spider string lightsHomesweetyHalloween String Lights - 30LED 11ft, $9.99, available at AmazonA garden gnome who's a little different from the other gnomesTHUMBS UP Zombie Garden Gnome, $18.03, available at AmazonSee the rest of the story at Business Insider Click here to read full news..