Cheap things that make me happy: My morning coffee, early morning drives, and quiet time.
-A few days a week I'll get up an hour or so before daylight and sit in the dark/quiet, drink my coffee, and just think or zone out.
-Other times I'll read at this time but only with a little book light.
-On the weekends I'll sometimes get up before daylight, make my coffee, and take a little drive while the wifey and majority of the city sleeps in.
I have a demanding/stressful job so this is one hour a day a few times a week where I know it will always be peaceful and relaxing.