How did you do you woood beds?

[Me&My53]

I know there are some folks out there that have done thier own wood beds.
I would like some good information on how you achieved this.
Is it cheaper or more economical to just buy prefab wood?
I want to attempt my own wood bed from scratch.
I want a complete factory type install, with original type slats.
Who has done this?
What type of wood is best? Easiest or best to work with.
What tool are needed?
How did you seal your wood?
Some basic measurements.
Some pictures.
Thanks, Joe