PR expert Mark Borkowski claimed Meghan and Harry could earn £1million-plus for each speaking slot they complete in the future.
He told The Sun: “I’m surprised they haven’t done this sooner.
“It will be one of the great income generators for them. They will clean up — they are up there with the Obamas.
“The speaker’s circuit is a natural safe space for them to plunder.
“And they are doing it in America, which is where the money is.”