He just made 170M off donors "legally," and has huge paychecks coming as he leaves office from more donors and other avenues. When OANN or News-whatever rebrand as Trump News Network, that'll make him a fortune.
He doesn't need the risk of pardon bribes. And again, getting Trump to pardon someone or do anything is easy. Start any sentence, "You know what will make liberals on Twitter crazy? If you did this: ______." And voila, done.