Title: FitBit. Sentence 1: All Cara's friends had health tracker watches called FitBits. Sentence 2: Cara begged her mom and dad for one. Sentence 3: But her parents said they could not afford the pricey gadget. Sentence 4: They offered to pay half if Cara paid the other half.
Happily, Cara dipped into her Bat Mitzvah money and got her FitBit!