This is an incomplete list of cheaper items in order of rarity.
Many, many thanks to OrangeFrappucino`s marasite. For the complete list please visit:
http://www.marasites.com/?name=OrangeFrappucino&page=RarityListforPoisonPit

Rarity 1
Blue Gumball
Yellow Gumball
Fish Tails
Rowan
Hawthorn

Rarity 2
Milk Chocolate Gumball
Orange Chocolate Gumball
Fiddlehead
Celery

Rarity 3
Tanning Salon Ticket
Fish Eyes
Rock Gumball

Rarity 4
Tombola (DVD)
Starry Gumball

Rarity 5
Gigantic Fairy Mallet
Tombola Book
Tombola Stamp
Bronze Gumball

Rarity 6
Fake One Dukka Coin
Fake Two Dukka Coin
Fake Three Dukka Coin
Fake Four Dukka Coin

Rarity 7
Eleka Tombola Book
Eleka Tombola (CD)
Orange Gumball

Rarity 8
Fake Six Dukka Coin
Fake Eight Dukka Coin
Wormy Apple
Eleka Tombola Stamp

Rarity 9
Eleka Tombola Balloon
Puppy Love Candy Heart
Blue Fasoro Balloon
Green Gumball

Rarity 10
Test Your Strength Potato
Lush Lake Ticket
Tombola Tunes
Invisible Gumball

Rarity 11
Trash Potato
Free Male Plastic Surgery Coupon
Free Female Plastic Surgery Coupon
You Better Run Candy Spade

Rarity 12
Satyr Potato
Test Your Strength Pearl
Ewww Candy Spade

Rarity 13
Satyr Action Figure
Undying Tombola (DVD)
Ant Hill Cake

Rarity 14
Yuni Brows Coupon
Green Phanty Balloon
Four Cheese Pizza

Rarity 15
Undying Stamp
Jerk Candy Spade