Cost Per Unit on eBay

The Problem

eBay is one of the largest and most competitive online marketplaces for all kinds of products. When it comes to those sold by the unit, weight, length, volume etc eBay's size can become a problem. With thousands of listings returned for many common products it is impossible to find the one that is the best value.

eBay features a cost per unit measure on some listings but we have found it to be wrong a lot. Many listings are what eBay calls 'mult variant', meaning that the single listing contains variations of the product and one of these is often the quantity being sold. Each variation of quantity will have a different cost per unit and there is no way to find out what that is on eBay unless you click on every listing and check every variation on offer. Sorting by price therefore doesn't work either as there are often variations for sample sizes which may be cheap but their cost per unit is very high.

What We Do

After becoming frustrated with the problem of being unable to sort on price per unit in eBay we decided to build a solution. We check eBay regularly for a range of popular products and our unique software assesses each listing. We extract the quantity on offer from all listings and their variations, calculate the cost per unit and display the listings on our site sorted by cost per unit.

Because of the errors some sellers make when listing their products for sale we can't interpret everything correctly but we make it much easier to find the best bargains on eBay at any given time. We are adding new products all the time and we earn a small commission for our effort should you go on to make a purchase.

If there's a product you'd like to see on our site please contact us on our Instagram account and we will look into it.

The Benefits of Limescale Removal Sprays: A Complete Guide

Limescale buildup is a common problem in households, especially in areas with hard water. Over time, it can clog pipes, reduce appliance efficiency, and leave unsightly stains on sinks, taps, and shower screens. Limescale removal sprays offer a convenient and effective solution—when used correctly, they can dissolve deposits with minimal effort.

What Are Limescale Removal Sprays Made From?

Most limescale removal sprays contain acidic or chelating agents that break down calcium and magnesium deposits (the main components of limescale). Common ingredients include:

• Citric acid – A natural, eco-friendly option that gently dissolves limescale.
• Vinegar (acetic acid) – Effective and inexpensive but may have a strong odor.
• Hydrochloric or phosphoric acid – Stronger formulas for stubborn deposits, often found in industrial-strength cleaners.
• Lactic acid – Milder alternative that's less corrosive to surfaces.
• Surfactants – Help the solution spread and penetrate limescale more effectively.

How to Use Limescale Removal Sprays Effectively (Without Scrubbing)

Pro Tip: For best results with minimal effort, follow these steps:

1. Pre-treatment: Wipe the surface with a damp cloth to remove loose debris.
2. Application: Spray generously on affected areas, ensuring complete coverage.
3. Dwell time: Let the product sit for 5-15 minutes (check product instructions).
4. Action: For vertical surfaces, consider covering with a paper towel soaked in the solution.
5. Rinse: Wipe away with a clean cloth or rinse with water.
6. Repeat if necessary: For heavy buildup, a second application may be needed.

Surfaces Where Limescale Removal Sprays Should NOT Be Used

Warning: Avoid using acidic limescale removers on these surfaces:

• Natural stone (marble, limestone, travertine) – Acids can etch and damage the surface
• Unsealed grout – May degrade the material
• Aluminum – Can cause discoloration and pitting
• Brass or copper – May remove protective patinas
• Some plastics – Check manufacturer recommendations first

Getting the Best Value for Your Money

To maximize savings when purchasing limescale removal sprays:

• Compare price per volume – Larger bottles often offer better value
• Consider concentrate formulas – You can dilute them as needed
• Buy in bulk – If you use it frequently, multipacks may save money
• Check dilution ratios – Some "stronger" formulas require less product per use
• Look for multipurpose cleaners – Some all-purpose acidic cleaners work for limescale too

By understanding how limescale removers work and using them strategically, you can maintain spotless surfaces with minimal effort while getting the best value for your cleaning budget.