Michael Bloomberg Buying at Least br $31 Million in TV Ads to Prepare br for 2020 Presidential Run President Barack Obama previously held the all-time weekly broadcast expenditure record of $24 million. According to Advertising Analytics, br the former N.Y.C. Mayorbr has surpassed that number. The move comes as the br billionaire prepares to seek the br Democratic presidential nomination. The markets include Pennsylvania, Michigan and Florida. For Florida, the area of br West Palm Beach is where br the businessman has centered br his investment. That is near the location of Mar-a-Lago, President Trump's personal resort. Representatives of Bloomberg br say he may spend up to $100 million br on his potential campaign. The philanthropist has also said br he will spend $100 million on br digital anti-Trump ads. Bloomberg is said to have a fortune of around $55 billion.