Our single largest cost every year is paint. We have purchased as much as 200 gallons of paint for a single year of work camp. This gets expensive! We have been trying to solidify a paint sponsor, but until we do that, we will still be forced to cover a $3,000 to $5,000 paint bill. A 5-gallon bucket of exterior paint usually costs us around $100. A house can use anywhere from 15 to 40 gallons - we even did a house several years ago that took 75 gallons!