Oh, also: treat any pressure to expedite the process ("it's normal for people to sign on the spot", "what's the matter, don't you trust me?", "this is industry

Oh, also: treat any pressure to expedite the process ("it's normal for people to sign on the spot", "what's the matter, don't you trust me?", "this is industry best practice") as a massive, MASSIVE warning sign that something is wrong. No trustworthy, experienced professional would expect you to do anything other than go away and get your own lawyer to review a contract before signing it.