For preppers who are looking for a mobile housing option of the DIY variety, an aluminum teardrop trailer is a great option. This compact, lightweight design is towable so it is much more economical than a large RV or a heavy conversion van. It is smaller than many mobile housing options, so it may be more appropriate for couples or small families due to a limited sleeping area.
On Instructables, there is a great tutorial on how to make your own aluminum teardrop trailer. This tutorial takes us from start to finish, and covers every detail of the build. This tutorial is more extensive than many are, as great care is necessary during the construction of this trailer. After all, it has to withstand travel, the elements, and act as a secure shelter. It is well worth the effort, though, as the end result is perfect for a SHTF situation where you need to hit the road!