To use a phrase coined by Lewis Carroll in the notable novel “Alice’s Adventures in Wonderland” to his young protagonist Alice, things are getting “curiouser and curiouser,” not just through the “Looking Glass,” but also in the residential construction industry. After rebounding from the COVID pandemic’s supply chain disruptions, historically high demand and low building supplies, home builders and buyers are being buffeted by four new forces that have both sides of the business proposition— the builder and the buyer— recalculating their strategies.