Poll: Savage or Sensible - Accepting Money, that You Never Asked for, From a Friend for Helping with them with a Project

Over the weekend Corey, along with his brother in-law, helped his buddy with some work on his new house. They put in a solid 6 hour work day on it. Corey expected nothing in return, but after he left he got a notification on his phone that his friend had Venmo'd him $100. He also sent a text saying, "Thank you guys. Wasn't much but I wasn't to give you something." Corey texted back saying it was totally unnecessary, but thanked him. Breezy thinks that was a savage move and he should have returned the money, which is actually what Corey's brother in-law did. Do you agree? Or was it sensible to take?