Acting in commercials can bring in a significant amount of money.
Although each commercial varies on pay, all of them are great opportunities.
Commercials can be casted at a local or national level. They have many different options like internet releases, print releases, and distribution.
Know what rights you sign off on in terms of usage. If more usage is requested, you are owed more money.
With commercials, you will either be offered a buyout or residuals. A buyout means that you will get paid one flat rate in the beginning and they have all the rights to the media. Residuals mean you will be paid a smaller amount, but you are paid every time the commercial is played or when it renews, etc.
Casting directors who cast commercials also cast film and television. It is good to get your foot in the door and meet people in this industry.
If they love to work with you, they will be able to call you back for more shoots- potentially making you more money.