If you have a truck camper popup, you will want to have truck camper steps to enter and leave the camper.
This makes it easier for people instead of crawling into the camper on your needs.
The stairs come in many different styles and are available such as the folding scissor, which is made of aluminum, which does not rust.
I have seen these steps mounted on campers or detachable for easy storage inside the camper.
I have seen a 2003 truck camper, in Kentucky with the steps attached and then when they travel, the fold up for easy traveling.
I saw a 2004 RV in Louisiana that also had these steps, which were detached and put away for storage when on the road.
Both ways appeared to be easy enough to use and they do not rust, therefore, keeping them attached while driving does not pose a problem.
The truck popup camper is a little higher off the ground than the RV, but with the available sizes, any camper can use the stairs for easy access and departure from the camper. It does not matter what year camper you have, you can find a stairs for your camper as well. I have seen some people who make their own wood stairs as well. They just throw them out when they park and they work just as well.
The truck camper steps may even be a brick as I seen once. The person opened up the back door, pulled out a cement block, and placed it on the ground for the step. Now I thought that was unusual, but it worked. I would prefer something a little safer, but everyone has his or her own preference even for steps as well as camper styles.
You see many different things when camping that some you never forget.