You can find the best interior design tips on television, on the internet and even at your local bookstore.  If you know what type of style that you like, you can purchase a book on that particular style to get the best interior design tips.  If you are unsure about style, watch television programs about home décor to get some tips.  You can find home interior magazines by the dozens in your local bookstore.  Take a look through some of them until you find one that has styles that you admire.  It sometimes takes a while to find your niche when it comes to home décor style, but by utilizing the many interior design tips that are available to you throughout the media, you can make your mark with your own home or apartment.