case_id,avm_value,contract_price,gap_pct,likely_cause
EX-001,310000,330000,0.06451612903225806,Recent renovation ignored
EX-002,425000,395000,-0.07058823529411765,Roof/HVAC age; buyer credits
EX-003,199000,180000,-0.09547738693467336,Tenant-occupied; repair backlog
EX-004,540000,565000,0.046296296296296294,Multiple offers; micro-market surge