A custom mural is non-returnable, so the measuring tape decides more than the artwork does. Here is the sequence that keeps a living room mural from arriving four inches short.
Most board and batten looks wrong for one reason: the spacing was chosen to suit the lumber instead of the wall. Ten minutes of arithmetic before the first nail fixes it.
Every board and batten wall that looks wrong got its spacing from a photo instead of a calculator. The layout math takes ten minutes and it is the whole job.
The tile install that looks wrong from across the kitchen almost never failed at the trowel. It failed twenty minutes earlier, when someone decided where the first tile went.
Pull one drawer all the way out and turn it over. Thirty seconds with the drawer box in your hands tells you more than an hour of reading the product description.
Vinyl plank is not waterproof flooring, it is a waterproof plank. The difference shows up at the seams, at the walls, and in any room that gets direct afternoon sun.