If I were to pay someone to move furniture. I’d get someone with a van.
If I were move furniture myself, I’d rent a van.
The reason smaller long bed trucks don’t get bought is because you might as well get a van. A roof is generally a good thing.
Modern trucks are nothing more than a bodge to get around safety regulations for ordinary cars.
https://youtu.be/DdpGIOv33L4?si=JtN2I3VH4BhgSIyf