Some cakes are simple, requiring only a smear of frosting over top. Others are more elaborate, with layers, tiers, or even those Buddy Valastro-style constructions with sugary miniatures all over it.

Cake Boss Buddy Valastro's net worth comes from decades of hard work. Valastro is a fourth-generation baker, but didn't think he'd ever become the creative fondant artist we know him as today: He ...