Recent reports say the going price is a million
https://www.wsj.com/politics/policy/trump-presidential-pardo... ("Inside the New Fast Track to a Presidential Pardon" / "Lobbyists close to Trump say their going rate to advocate for a pardon is $1 million")
alt Hacker News
https://www.wsj.com/politics/policy/trump-presidential-pardo... ("Inside the New Fast Track to a Presidential Pardon" / "Lobbyists close to Trump say their going rate to advocate for a pardon is $1 million")