Grant Cardone is selling the Florida beachfront house he bought from fashion designer Tommy Hilfiger in 2021, according to an Instagram post from the financial guru. Cardone and his wife, Elena, are listing the house for 646 Bitcoin (BTC) or about $44 million. They paid Hilfiger $28 million for the house in 2021. The 10,275-square-foot mansion, on a 0.06-acre lot at 605 Ocean Blvd. in Golden Beach, Florida, has six bedrooms and a pool overlooking a 100-foot private beach on the Atlantic Ocean. The couple renovated the exterior of the home, including the cabana, beach house, deck and pool. They…