In the fourth quarter of 2019, Alabama sawtimber averaged $22.84 a ton. It rose just 69 cents in a year to $23.53. In nearly the same time, low interest rates fueled a building frenzy. From early 2020 to 2021, a thousand board feet of 2-by-4 framing lumber jumped from $370 to $1,155. Oriented strand board (OSB) increased from $255 to $795 per thousand square feet.