to do your homework
to research something thoroughly before making a decision · to prepare by gathering information
What's the situation?
This expression isn't just for school! 📚 When you're planning a big purchase like a new laptop, a car, or even a fancy coffee maker, it's super important to 'do your homework'. It means you've checked out reviews, compared prices, and understand what you're buying so you don't end up with buyer's remorse! 🧐