1. Do Like A Sunny Level (Ones where sun fall)
2. Have Marigold (Coin-Magnet or whatever its called is optional)
3. Have Wall-nuts or Tall-Nuts (Or pumpkins) Placed Near The Far Right (if you want more marigolds or magnets?)
4. Have Sunflower, Twin Sunflower for more sun production
5. Place Alot of Marigolds
6. (Have coin magnets if your lazy, Requires magnetshroom)
7. If you have it use imitater to Have more marigolds placable faster
8. Use Something Like peashooters if you do not like zombies (place behind the wall-nuts of choice on the far right if you want)

= Money, as long as the zombies dont eat it all.