Mixed finishes are all the rage these days, and for good reason! They add depth and texture to any space, and can really help to make a space pop. Mixed metals are especially popular right now, as they can help to define shapes and add interest to otherwise simple fixtures.
This style is also very forgiving, as it gives you more options and fewer rules to follow. I would only say that if you're going to mix finishes, you should always use each finish at least twice. Otherwise, it will stand out as a contrast or statement piece. Many finishes blend or compliment each other nicely, so don't be afraid to experiment. For example, you could mix cabinet colors in the kitchen or use light fixtures with more than one finish in each room. The possibilities are endless! So have fun and let your creativity shine through.