 that they don't all work, and that if you're not balancing it or installing the proper parts and components, then it's not gonna work right. And so if you add all that into the mix, it's hard to get it right unless you're skilled and trained professionally by the manufacturers with their products, and then you're held accountable, and you follow through and do it properly, install it properly. That's why so many people's houses, they think that it's balanced, but it's not, or it's installed properly. It's not a lot of times. We'll get in there, and it's hard to tell them that, and they don't wanna believe it, but you gotta show them the evidence, the proof.