If you've been working at the same company for a decent amount of time, or you know that they would have a hard time replacing you if you quit then ask them to compensate you more for your time! This is the most straight forward means to increase your take home pay but you may not receive it. Your employer could always say no. I only bring this up as the first in my list because it would make the most immediate difference in how much money you make without any actual change to your current daily routine.
