Billionaire Elon Musk previously sold all his homes so he could live a more minimalistic life, moving to Texas to be closer to his many business operations there. Musk is now looking to build a secret compound for his kids and their mothers, according to a new report. What Happened: Musk has fathered 12 children with three different women and his new plans could be to have his children live close to each other to maximize his time with them as he remains a busy man running several companies. Musk has bought several properties near each other in the Austin, Texas, area, according to a report fr…