Before your trips, meal planning is important. Sit down and write down your daily meals so you can stock up what you need to prepare each meal. Make sure anything that goes in the frig or freezer is already cold before you load up.We also think about what to cook in the trailer or cook outside. Some foods can really leave lingering odors in your trailer.
Be sure to become disciplined in the use of your resources. Learn to conserve with respect to water and power consumption if you don't have full hook ups. Remember that black and grey tanks only hold so much.
You will learn more as you start going out. At first , we had a tendency to bring too much unnecessary stuff. Later we started UNLOADING the trailer, removing anything that we thought we needed but never used. Anyway, don't panic over the small stuff and just have fun.