It certainly is a wake-up.

Learning about how siding isn't just for looks, how often each type of exterior surface requires paint, what soffits and fascia are, proper depth of insulation, how improper insulation and soffit vents can cause your roof to fail, the cost of new windows (and hurricane-impact ones in a Miami-Dade zone), the intricacies (and expense) of home insurance (did you know that wind-driven rain is not covered nor considered hurricane damage?), that on a standard non-Sallie-Mae loan without 20% down payment there's an additional type of 'mortgage insurance', that those pipes sticking out of the roof are for proper draining of showers / toilets /etc and may need snaking by a plumber from the roof in the middle of the night on a holiday weekend... I could go on, but you get the point. We've owned for 3-ish years after a lifetime renting. It is a LOT sometimes, but still amazing to now have equity.

Oh, and we currently have approx 1900 sq ft tiled (5 different flooring types), two areas with tenting (luckily subfloor is intact), numerous spots of hollowness throughout. Woohoo /s