How are you measuring those 99 days? If a withdrawn property returns as a new listing, the visible date may reset even though buyers have already seen it. Also, does your sample include homes marked under offer, or only those still openly available?
On mobile, hide the details behind an “Add closing-cost information” row. Tapping it could reveal amount or range, currency, estimate/actual status and a note. People who do not have the information would barely notice it, while detailed posters could still make their threads searchable.