Oh yeah, newspaper is the old school secret that actually works way better than paper towels. Just make sure you use plain water and not the glossy ad pages since those smudge like crazy. I've been doing this for years and it saves me a ton on paper towels and window cleaner.

Used to hate hearing about DTI but now I get why it matters so much.

3 tries and still had to swap units sounds about right.

Yeah, homeowners watching always makes me nervous. They don't realize how fast things can go wrong until it's too late. You ever have one try to give you advice mid-rig?

Tried neem first and it barely touched them, the soap was the only thing that actually worked.