Though the container may say “oregano”, the substance within it is nothing like the original plant. Fresh herbs inject a flavor and aroma so far beyond the dried version that growing your own is well worth the time. Buying fresh herbs is an alternative but they are a bit pricey and let's face it, most of the time we waste half of what we've bought. Simply snipping from your plant the exact amount of herb needed is the best way to ensure maximum flavor and freshness, it’s green (both literally and ecologically) and economical.
There are many options. The herbs you use most are naturally the ones you’ll want to grow. Depending on the climate in your area, you may wish to grow plants outdoors directly in the soil or in pots. Some places I've lived, are kind to herbs year round but most of us will need a non-summer time option. I’ve found the Aerogarden to be an awesome way to provide fresh herbs during those non-growing months. You could grow your herbs in one of those machines year round, but why bother during the summer months. I transplanted mine to the yard/pots and they are doing great! Be sure to keep your plants growing by not letting them go to seed (pinch off those ends when they try to flower), prune the non-flowering ones to keep them going strong.
I probably should amend my original slur towards dried herbs. They can have their place. They do have their own flavor...just not the same as the fresh version (or as good!)