1. Battery maintenance
Coach and Chassis
Make sure they did not freeze and break
Fill with water
Clean terminals
Charge Fully

2. Water system
Flush out antifreeze
Check for leaks
Sanitize the system with bleach

3. Inspect roof seals and reseal if necessary

4. Thinking of purchasing from private party?
Check the water system for leaks
Make sure the appliances all operate
Check to see if refrigerator is cooling, look for yellow residue in back or ammonia smell inside