I have been using reclaimed wooden shipping crates as planting beds.
I get the crates for free from industrial area of Seattle.when the businesses toss them out on the curb.
They are tall enough that rabbits cannot get in them, I don’t need to bend over and break my back as everything is a little above waist high.
I line them with weed blocking fabric and then fill em with some good soil.
We have all raised beds now, too - except for the Sweet Corn and Winter Squash in the lower garden - he just tills that up and we put down black rubber sheeting that is normally wrapped around underground pipes (scavenged; Beau was in Construction for decades) for some weed control.
As we age, we’ll add ‘layers’ to the raised beds in the kitchen garden, too. Our plan is to not have to leave our farm until they carry us out feet first! ;)