If you own a duplex, triplex, or fourplex in Miami-Dade or Broward, you may be at the point where the property still looks good on paper but feels heavy in real life. Rent comes in, but so do insurance renewals, repair calls, tenant disputes, probate issues, HOA notices, and questions about whether the use is even fully compliant under current local rules. That tension is common in South Florida. Sellers usually don't need another buyer-focused primer. They need a clean read on what they own, what can…