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