The rental cost of portable storage units can vary depending on factors such as the size of the unit, your location, the duration of rental, and the specific company you choose. On average, you can expect to pay anywhere from $100 to $300 per month for a standard portable storage unit. Here are some general guidelines for portable storage unit rental costs: Small Unit (8-10 feet): These units are suitable for storing a small amount of items, such as a few pieces of furniture or boxes. The monthly rental cost could range from $100 to $150. Medium Unit (12-16 feet): These units can accommodate the contents of a small apartment or a couple of rooms. The monthly rental cost might range from $150 to $250. Large Unit (16-20+ feet): Larger units are suitable for storing the contents of a larger home. The monthly rental cost could be around $200 to $300 or more. Remember that these are just approximate ranges, and actual costs can vary based on the factors mentioned earlier. Additionally, some companies might offer special promotions, discounts, or varying pricing based on the duration of rental. It's recommended to contact portable storage companies in your area to get specific quotes tailored to your needs.