Condition matters, but I wouldn’t treat 68 days as evidence of a maintenance problem by itself. Compare recent completed sales with current asking prices inside tightly drawn neighbourhood boundaries; two villas described as being in the same broad area may not be close substitutes. New-listing...
Inventory needs two counts: active listings at each observation date and newly added listings during the period. Otherwise a shorter time on market could simply reflect older stock being withdrawn. If possible, keep price reductions separate from listings that disappeared and later returned...