A man answers the door and she asks if there is anything she can do. He tells her "The porch need painted, how much would that cost?"

She replies "How does $50 sound?" He agrees and she gets to work.

When the man goes back into his house his wife asks him "Does she know the porch wraps around the house?" He tells her "She has to, she saw it."

About an hour later she comes to the door to collect her money. She says "I had extra paint so I put on two coats." The man is really impressed and gives her the money. She thanks him and says "And by the way, it's a BMW, not a porch."