The Clintons have been dogged by questions about potential conflicts of interest around their foundation and the amounts they've earned from high-profile speaking engagements.
When asked by Bloomberg Television whether he would continue to give paid speeches if Hillary Clinton is elected president, Bill Clinton replied: "I don't think so."
"I will still give speeches though on the subjects I'm interested in," he added. "I've really enjoyed those things."
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Clinton said "it would be a very good thing for America" if his wife Hillary Clinton wins the presidency.
"She'll have to decide whats my highest and best use — including being around to buck her up every morning," he said.
While Hillary Clinton has begun her second campaign for president by casting herself as a champion for middle-class voters, she's long drawn criticism from Republicans about the wealth she and Bill Clinton have generated since he left the White House.
In May, Federal Election Commission filings showed that the couple earned more than $25 million for more than 100 paid speeches between January 2014 and May 2015 — an average fee of about $250,000 per speech.