Quick and Effortless Ways to Sell Your House in Colorado

Hey guys, I'm trying to sell my house fast in Colorado and I was wondering if anyone had any tips or suggestions on how to do it quickly and efficiently? I've already tried listing it on some popular real estate websites, but I haven't had much luck yet. I'm thinking about working with a local real estate agent, but I'm not sure if that's the best option for me. Any advice you have would be greatly appreciated. Thanks in advance!