Interior design is made easier with a software program. There are many programs that will allow you to take a picture of your existing space and create your look inside of that picture. This is a great way to visualize the changes for lighting changes in the space before making them happen.
Make sure that there is ample lighting in every room of your house. This may require you to do some planning as to where you should situate your lights or chandeliers. If you have a big room, you will need to strategically position the lights to filter throughout the whole area.
Use many levels of lighting. By utilizing lighting in your design, you can accomplish multiple looks in one room. An overhead light is typically necessary but try installing a dimmer switch so you can vary the level and create ambiance in the evening. Install accent lighting to bring focus to art pieces. Task lighting is also important for reading nooks or kitchen prep areas. Multi-level lighting will allow you to create many vibes with one design.
Although you are just starting out, you may feel like somewhat of an interior design expert. With the right amount of time applied in this subject you should feel like you have what it takes to make your home look great for all guests to envy and appreciate at the same time.