PICNIC TABLES: If you have an arsenic-treated picnic table, never put your food right on it and never cut things on it. (Like we've been doing for years.) Put a tablecloth over it, at least.

Kalinowski first started selling his $25 picnic table, which comes with a feeder bowl and mounting hardware He then added DIY kits to the store, which he said quickly became 50% of his orders.