Here is the full list of all 40 Pickers achievements.
Restore all items before they are sold
Complete each hidden object game without using the scanner
Complete each hidden object game without using any hints
Buy a group of items at less than 65% of the asking price
Find all 60 keys
Maintain the leader position for 7 days
Buy a Jukebox
Buy a Movie Projector
Buy a Snow Globe
Buy a Motorized Scooter from Hambone Richards
Buy a WWII Helmet
Buy an Accordion
Unlock all locations in the game
Reduce your store inventory to one page anytime after the 20th day
Reach the Number 1 Rank!
End a day with Patrick Merman in a green mood
Buy a Bigfoot Photo
Combine a Suit of Armor with a Sword
Buy an item at less than 75% of the asking price
Buy CJ Baxter's safe
Collect 40 keys to unlock Unlimited Hidden Object Mode
Explore every scene, hidden object game, and close up in the first 6 location
Create 10 new items using the combine tool
Buy and sell 20 items from the Hot Category
Buy a Vampire Hunting Kit
Sell 5 items from Lizzie Davis' crawl space
Auction 20 items for a profit
Make a 300% profit in an auction
Buy a Sun Clock
Consult the Expert 20 times
End a day with two or more characters liking you (in green)
Make a profit 5 days in a row
Buy and sell an item from the Hot Category
Complete 5 unique hidden object scenes
Combine two items to create something new
Bring an owner's mood from angry (red) to happy (green) in one day
Restore an item
Buy a Maffler Man
Change a character's mood to green in one transaction
Complete a hidden object scene in under a minute