Post and beam can be the cheapest way to build a barndominium — not because the materials are cheap, but because of how much of the labor you can do yourself.
With post and beam, you’re not paying a framing crew. You’re setting posts, cutting beams, and bolting brackets on your own time, one person or a small family crew can do at their own pace.
If you own or rent a bandsaw mill, you can cut your own timbers from logs on your own property, from a tree service drop-off, or from standing timber you already have. So the raw material cost is nearly zero. You’re paying for diesel and blades, not retail lumber prices.
Post and beam with steel brackets is easy — simple square cuts, no complex joinery to cut wrong. That’s where the big labor savings start. You’re using your time, labor, and resources instead of pulling money out of your pocket.