1) Hugs and Kisses! XOXOXO
Need I say more?
2) Sunshine! Natural disinfectant, drier, whitener, Vitamin D, mood enhancer...
3) Compost! (I know, it's a strange one, but bear with me...) You can take what was garbage and turn it into wonderfully rich, beautiful, chocolate brown food for your soil.
4) God's Word! There are free Bibles everywhere, available in most any language. We have a big stack ready to hand out in our home.
Mark 16:15 - And he said to them, "Go into all the world and proclaim the gospel to the whole creation. (ESV)
Romans 6:23 - For the wages of sin is death, but the free gift of God is eternal life in Christ Jesus our Lord. (ESV)