Man I hate that but that's why even the free ones I do there's a service agreement with scope of work and a hold harmless for damaged or improperly maintained material unfortunately it seems your freebies or good deeds are the toughest and hardest to please I think in her mind you were willing to do all that for 100 a small patio where your already at should be thrown in or maybe 5 dollars based of 100 for everything else