If you want the wide plank, you MUST HAVE the right temperature AND humidity control. You will need to upgrade your HVAC system to include humidity control. If you live in a hot/humid climate, you will have to have a whole-home DEhumidifier. If you live in a cold/dry climate you will need a whole-home HUMidifier. If you live in an area with BOTH (cold/dry winters + hot/humid summers) you will need the top of the line whole-home humidifier/dehumidifier. Purchase the upgrade. Make sure it is calculated properly for the size of the house. The BIGGEST mistake people make is choosing the flooring/finishes without upgrading the climate controls. It leads to a whole mess of problems.

@Unique Wood Floors Thanks! I will check this out. Wish it were $1 less a foot. Sigh. I love that they have 7 ft lengths (the floor and decore one is max 48 inches, and so it will look very choppy). I bought a box of the closest to what I'm seeking LVP, and what I found was that when light hits it in a certain angle, it looks really, really plasticy and fake. I have 1800 sq ft to do, so don't want to regret it as I'll likely not change the floors for a very, very, very long time! @tozmo1 in LA.

Huh? No wonder why so many people are confused with information on the internet. You could have a pro use the Tycote system to bring up the sheen level as long as the original finish is not any type of natural oil. Probably best to get the real skinny on it. https://www.basiccoatings.com/products/tykote/b06914312?pageNumber=1 Oh, wait. New? Forget the finish warranty if you went this route. Who notices it? Only you? Floors are made to be walked on, not to be looked at like a fine piece of furniture.

Engineered wood flooring is going to be dried close to that range regardless of where it's produced. After installation it should be allowed to acclimate to your conditions. My two favorite mills went under during the pandemic. The one I've been buying from lately is Maxwell, based in NW Arkansas. We're just finishing up an 850' job of plain sawn 6" White Oak and it looks great. Being in CO, you may have a completely different set of viable suppliers than I have in southeast Florida.