She won't get killed. Princess Margaret was getting run through regularly, they didn't kill those that dikked her down to keep them quiet. Get a grip.
They're still going to be reliant on funding from the family.
The Queen owns the duchy of Lancaster which is valued at around $700 Million which funds some of the Royal expenses, but primary funding for Harry/Henry comes from the Duchy of Cornwall that owns 0.2% of all UK land. They're not giving that up, AFAIK. They can't afford to give that up.
They will remain royals so will be reliant on security that is paid for by others. Again, not financially independent.
Harry will never do a tell all interview or book.
She just doesn't like everything that comes with marrying a major royal. All the protocol that must be followed. Yeah the daily mail has been its usual racist self but the average person in the country couldn't give two fukks if he married a mixed race woman.
William takes his role more seriously, Harry doesn't. Basically why they've fallen out. Harry is basically trying to appease his wife and doesn't wanna lose that pum pum