The most common mistake people make when renting a dumpster (especially the first time) is renting the wrong size roll-off dumpster. Many homeowners underestimate just how much stuff they have to get rid of. Or they don’t load the dumpster properly, and find they have a bunch of junk that won’t fit in the dumpster. While you can always rent another dumpster, it’s more cost-effective and less stressful to rent the right size to start with. We recommend sizing up if you’re in doubt. And if you have space left over in a larger roll-off dumpster, you probably have some more items you can clear out. Related Reading: Dumpster Sizes: How to Choose the Right Size for Your Needs Mistake #2: Tossing Hazardous Materials into Your Roll-Off Dumpster This is the second biggest mistake people make. Just because you paid for a dumpster rental doesn’t mean you can throw everything into it. Hazardous materials and prohibited items in your dumpster can cost you. If the rental company empties the du