Start the burglary mission with a maximum of 4 people in a Boxville car, use /locatecar in game to find one of them.
Once you started the mission you will see a red dot on the minimap, this presents the house which you will rob. Drive over there and get the valuable items, such as radio, tv, there will be 8 items to stole, and a time limit of 3 minutes. As the police might be on their way over to arrest you, try to complete the job as soon as possible and drop the goods at the lock-up.
You will receive the maximum payout if you took all packages with you.