by De
How do I make a diy bed?
+1
Suggested Project Book
https://www.thesprucecrafts.com/free-bed-plans-1357107
https://www.bobvila.com/articles/diy-daybed/ I guess you could 'enlarge' on the plans for a double or king ...
If you do not already have the lumber, plus all the necessary tools and needed hardware to construct your own, simply purchasing a ready-made bed may be more cost effective.
Recently saw where someone used pallets as the base of a bed.