Weekly Roundup: New development sales, eccentric buyers, agents’ frothy remarks, free mortgage tutorial, economics of price changes

With inventory tight and prices climbing, sales of new condos plunge

Yet developers, marketers designing ever more spectacular penthouses, townhouses in buildings old and new

Recent law change could make maintenance-free apartments less rare

Buyers do the darndest things

New Yorker magazine lets you click on subway stops to gauge wealth

Beachfront homeowners in Southampton building ramparts against storms

No, says New York magazine, it’s not a bubble again

Disgraced athlete latches onto quarter-acre Texas compound in gated community after dumping old Austin home

Artist makes mark in SoHo with purchase of