Grand Theft Auto: Vice City/Cherry Popper Ice Cream Factory

Distribution
It is a simple mission, just sell "non-dairy products" to 50 customers and the mission is completed. The safest place to do this is on the bridges, because there's less police presence. Any bridge works, but the long and thin one between Little Haiti and Leaf Links works best. However, be aware for Patrol Invest Group, the security guards in blue. They will shoot at your vehicle, and attempt to pull you out of it. Cops will do the same. When you get a wanted star, stop selling until you lose it, or you'll have the cops after you for the rest of the mission. Once you've sold 50 products, exit the vehicle or stop the mission to finish.

An alternative is to head south to the docks where there is plenty of foot traffic and a Pay'n'Spray.

Reward: The Cherry Poppers ice cream factory will now generate $3,000 / day.