[header] How to paint without making a mess [title] Contain your painting supplies within an empty water bottle cardboard case. [step] Hate having supplies strewn across the room, creating not only a mess but also an opportunity for paint cans to be knocked over? Use an empty water case bin to keep your supplies together. [substeps] Cut the plastic away from the tops of the water bottles and remove/store bottles. 
Keep plastic in tact as it will help to contain paint supplies. Fold plastic down and into the bottom of the cardboard case.