That totally happens by the way. When we built our house, we had to use bathroom supplier X and the builder took a cut (might very well be 30%). Same for the ki

That totally happens by the way. When we built our house, we had to use bathroom supplier X and the builder took a cut (might very well be 30%). Same for the kitchen. The builder brings in the customers, and the bathroom and kitchen suppliers seem to be happy to share a ~30% commission for it. (note: this is in Belgium, but I assume similar setups are commonplace in other places)