Avoid These Common Storage Mistakes (And How to Store Smarter!)

Modern Storage® employee assists new tenant with signing lease paperwork at front desk

This blog is based on our podcast episode of Modern Storage® Unpacked, where we unpacked the biggest self storage mistakes renters make—and how to avoid them. Whether you’re brand new to self storage or have rented multiple times, avoiding these common pitfalls can save you time, money, and unnecessary stress. Let’s dive into the five most frequent storage mistakes—and what to do instead.


1. Choosing the Wrong Size Unit

Picking the wrong size storage unit is one of the most common mistakes we see. Renting a unit that’s too small leads to overcrowding, stress, and sometimes even having to move all your stuff again. On the flip side, a unit that’s too large means you’re overpaying for space you don’t need.

How to avoid it:

  • Consult with a storage expert to find the best fit
  • Use a storage calculator to estimate your space needs
  • Don’t forget to think vertically—shelving and stackable bins can maximize the space inside your unit

2. Poor Organization

Lack of planning when moving items into storage often leads to wasted space and frustration. If you can’t access what you need without digging through piles of boxes, it’s time to rethink your approach.

Pro tips:

  • Use clear bins to see contents at a glance
  • Label every box—on the sides, not just the top
  • Keep frequently used items near the front of your unit
  • Use shelves and vacuum-sealed bags to save space
  • Take a photo or make a quick inventory list so you always know what’s inside

3. Storing Prohibited Items

It might be tempting to use your storage unit as a catch-all, but there are safety regulations and legal limits to what can be stored. Items that can rot, explode, attract pests, or cause chemical reactions are strictly off-limits.

What NOT to store:

  • Gasoline, propane tanks, fireworks
  • Perishable food
  • Paint, chemicals, hazardous waste
  • Firearms or ammunition (unless stored in a specialty facility)
  • Plants or animals

When in doubt, check with your facility manager. It’s always better to ask than risk damage or eviction from your unit.


4. Overlooking Security Features

One of the most overlooked mistakes is choosing a facility without proper security. Just because it has a fence or a padlock doesn’t mean your belongings are safe.

What to look for in a secure facility:

  • 24/7 surveillance cameras
  • Gated access with individual access codes
  • High-quality locks
  • Well-lit grounds
  • On-site staff and daily lock checks

Remember: peace of mind is priceless when it comes to protecting your valuables.


5. Skipping Insurance

Even at a facility with great security, accidents can still happen—floods, fires, natural disasters, or theft. Many renters assume their homeowners or renters insurance covers items in storage, but that’s often not the case.

What you should do:

  • Confirm whether your existing insurance covers stored items
  • If not, opt for a facility that offers affordable storage insurance
  • Choose a policy that reflects the actual value of what you’re storing

Insurance is a small investment for major peace of mind—and often, it’s required when renting.


Final Thoughts

That’s a wrap on the top five mistakes to avoid when renting a storage unit:

  1. Choosing the wrong size unit
  2. Poor organization
  3. Storing restricted items
  4. Overlooking security
  5. Skipping insurance

This blog is based on our episode of Modern Storage® Unpacked, where we share real stories, expert advice, and tips to help you make the most of your self storage experience. Want to go deeper? Catch the full episode and follow along on your favorite platform.


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Until next time, stay organized, stay efficient, and keep making space for what matters.