User blog comment:Jeear/Gold farming for Plants vs. Zombies for Nook?/@comment-4647769-20121106180727

Yep, Quick Play. Do the one with normal Zombies, set up a couple Gold Magnets, and a lot of Marigolds. Use a Tall-nut to stall the last Zombie.

Wait until the Marigolds stop giving you money, and then restart.