Okay, let’s tackle this. So Mario Osorio has 24 years of experience in property management and ownership, which is a significant amount of time. Location is San Leandro, California, which is a moderate-cost-of-living area. Considering his experience and location, I would estimate his hourly rate to be around $75. This is a relatively conservative estimate, as top property managers in major cities can charge upwards of $150-$200 per hour. However, given Mario's 24 years of experience and his role as a property owner and manager, I believe $75 is a reasonable estimate.