Seems like the first installation method that requires no adhesive and the claim that "planks are extremely flexible and self-level above the substrate to create a flat surface, even over imperfect subfloors, making for an exceptionally easy installation" could be an issue when the subfloor is not level.  I

@Charles Cabral Not sure what your experience level is..

I agree that the playing field will never be level. I

Tile will certainly not keep the floor level. Is

However, Craigs list at yoiur local level is a good way too.

Is it because the structural members are warped and it can't "get" level, or is it because the house is sitting on expansive soils and it won't "stay" level? Is

If so start a fresh thread and drop a link into this thread so people can find the conversation.At some level I have heard this before for Oregon.

I'm looking to do wholesaling here, though I'm curious how lucrative it would be to try to work at that level. I

If the basement level is in the ground by a certain percent it is considered a "cellar" and not a story so you are clear at 2 stories. 

that is based upon the sq ft of the property, major areas &/or systems of a house, and the finish level I would need for a particular project.