How to Properly Store Leftover Paint
by Elizabeth Yuko from Lifehacker on (#5QJDG)
Though a gallon of paint is technically supposed to cover 400 square feet, that's not always the case. Plus, you may be painting a space and not know exactly how big it is. Either way, it can be easy to incorrectly estimate how much paint you need for a project, and end up with some leftover when you're done.