Storing old paint cans in the garage or other areas of the home prone to extreme temperature changes can ruin the paint.
How To Store and Dispose of Old Paint Cans
How to safely dispose of hazardous waste in the Portland area - PDXtoday
Disposing of Paint Responsibly — Loudoun Habitat ReStore
How to Dispose of Paint Properly
Anybody know where I can dispose old and excess paint all at once? : r/sandiego
Paint Disposal and Storage - The Home Depot
Garage Storage Advice: Don't Keep These 9 Items in the Garage
How to Dry Out Old Paint for Disposal
Home Owners - Yuck Old Paint®
NEDT Household Hazardous Products Collection Centers & Pick-Up