Before you go buy new paint, check the garage. Reuse an old color to sponge over an existing wall from a different room. This gives you a whole new look without the cost. With the project organizer from Behr you can get an estimate of how much paint you’ll need for certain sized rooms.
This article has some tips for the best way to sponge without falling victim to common mistakes like paint lines around sponge edges and inconsistency in corners and hard to reach areas.