50 Cent's oldest son has a solution to mend his relationship with his famous dad ... offering a chunk of his child support money to buy back some father-son QT. ICYMI, 25-year-old Marquise Jackson has been getting roasted online for an Instagram argument, where he claimed $6,700 wasn't enough cash flow for his mother to take care of him. Not many people can relate to having an additional $80K per year, but Marquise is adamant it wasn't enough. He's taken it so far, he even flipped his dad's infamous "Broke" IG photo to spell out "Entitled" for all his haters. He also issued a challenge to Fiddy -- accept $6,700, one ... (full story)