I agree 100% with the Checklist.
The checklist was invented by pilots after a really great pilot forgot something and it killed him. No one remembers EVERYTHING.
My checklist is a has several versions depending on wether I am going to stop at a water source before I leave town, or after I arrive in camp, and is laminated. I do the same routine every time, (as also mentioned above) and the check list helps me remember to lock bins, put in steps, coil cords, antennas, check tire pressures (different list) etc.
My wife's list is mostly the inventory, and and is dependent on wether we are headed to Elk Camp, or south to Texas for the winter.
My personal addition to this thread is: Slow down. That applies to everything in camp or on the road.
Could also add: 1. Get "Get Gas Buddy" for you smart phone. Can't beat it for fueling on cross country trips.
2. Learn to read a map, and estimate times. Don't rely solely on the GPS.
3. Get Waze, to look for road hazards, and to warn others of hazards. Keeps your navigator in the game.
4. Stop often for a walk around. On cross country trips, I have discovered low tires, flapping doors, loose straps, all of which I KNOW I had tightened.
5. Keep an eye on the gauges.
6. Use ALL your mirrors.
7. Change your engine oil even if you are on the road. Watch the service people like a hawk, while they are doing it.
8. Your co-pilot's job at gas stops is to wash the windows, or pump the fuel, and you do it, but keep that glass sparkling.
9. Stop at the State border Information (if they have one) and pick up fresh maps, ask about local sights, and history.
Well, that's all for now.