I am far too invested in this. 
Maybe they need to ditch the titles, trade on the immediate marketing potential for association with luxury brands, using her name only, coin it in while they can.
Forget the 'merching' off the royal brand, close down that awful website.
Ditch the global humanitarian and climate change stuff. Anyone can see it's nothing but hollow and hypocritical posturing.
Forget also the Clinton-style foundation stuff. See above.
Sit on the tell all stuff, at least for now. ( see below) Cosying up to A list celebs may not go too well after a while either. M and H have not shown themselves to be exactly loyal,or dependable, and any more backstabbing will only damage their image further.
Done carefully and with good advice taken, it might work. But not obvs long term. That's when Harry will be dumped.
Then with a bigger cushion behind her divorce, onto the next mark, a billionaire perhaps.
Will need to move quickly to secure anchor baby number 2.
Megs, pm me. My fees are reasonable.