So I read these posts and decide to look at Lowe's website.
I go to PT lumber and click on 2x4 and 8'. There are 22 products. The vast majority are described as Severe Weather #2, a few are "square" described as structural fir. All have different item/model numbers. On the Severe Weather #2's the prices range from a low of $3.57 Item #488917, Model #248T225EL and Item #488917, Model #488914 (weird same item, different model) , to a high of $10.64 Item #929019, Model #12000. So lowest to highest is about 3 times the price.
There is only one available at my store Item #468930, Model #2408P which is $5.27. FlaFarmer got his for $3.67. I see one for that amount which is unavailable to me Item #312282, Model #OG220408-AG, which is the item number on his receipt.
So why are there so many different item numbers for a simple PT 2x4x8?
Could be coded to batches they bought and the price they paid over time? Could be regional? I know $5.27 for me is down a good bit from the last time I looked.
Thoughts?