Just to go off on a bit of a tangent - but I promise, it's relevant(ish):
Decades ago, some friends were buying a house from an elderly couple. As our friends were just starting out, they negotiated a price for the carpets and curtains that were already hanging in the house, to save them having to fork out for new ones.
All went smoothly, until the day they moved in, to find carpets and curtains in every room - but not the ones that had been there at the house viewing. All of the 'new' curtains were six inches too short for the windows, and none of the carpets actually reached the walls.
When they enquired about this, the vendors smugly said that whilst they *had* bought some carpets and curtains, technically they were never promised the *original* ones. Apparently, the couple's daughter had swapped the nice ones in the house for her own grotty ones.
Lawyers were briefly involved. Our friends got compensation (and some pretty grubby threatening phone calls off the daughter).
People do bad things when under the thrall of Big Curtain.