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In a comment you won't see unless you have "show dead" enabled, he says:

DD = due diligence

LOI = letter of intent

SPA = stock purchase agreement

RWI = reps & warranties insurance

That was in answer to someone earlier asking about those acronyms, but in a rude way that got their comment flagged to death, which also hides replies. I tried vouching for it to revive it so people could see the reply with that explained the acronyms, but it did not help.

Due Diligence, and Letter Of Intent.

They are both pretty household terms that you could've easily Google.

DD was guessed within context. But the others were niche acronyms that were critical to a very insightful comment - definitely worth explaining.

for you, maybe. but not me.

DD - disk destructor, double-down (a tire sidewall specification) SPA - single page application, specific purchase agreement, etc

and the list goes on.