Gerunds as subjects: "wearing uniforms" as a gerund, acting as the subject, express the main action, increasing the diversity and complexity of the answer.
Present participles as adjectives: "changing your style" and "trying new things" as present participles used as adjectives, describing actions, adding vitality and complexity to the sentence.
Conditional adverbial clause: "especially for those who don’t want to spend much on different outfits" sets specific conditions and situations, increasing the level of detail and complexity of the sentence.
Infinitive as purpose adverbial: "to save money" used as a purpose adverbial, explaining the ultimate goal of wearing uniforms to reduce the need to purchase clothes, adding logical and coherent flow to the sentence.