Destructive - you mean like taking things apart and/or removing something?
What’s “removing aiding to verify hold downs” mean?
I am not sure what you’re asking here.
Be careful with work outside the scope of home inspection, depending of the home age there are asbestos and lead paint implications. I do not know if your state/city require contractor license for such work like in New York City, however if building was constructed before 12/31/1978 you should be EPA - RRP trained and license to avoid an astronomical fine.
Yeah, it’s called a Maryland Home Improvement Contractor agreement. It requires a lobotomy, 20K surety bond, GL/WC coverage, and, of course, a separate license.