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
Explore every scene, hidden object game, and close up in the first 6 location
Buy a Motorized Scooter from Hambone Richards
Combine a Suit of Armor with a Sword
Buy an Accordion
Find all 60 keys
Buy a group of items at less than 65% of the asking price
Buy a Vampire Hunting Kit
Bring an owner's mood from angry (red) to happy (green) in one day
Buy a Maffler Man
Sell 5 items from Lizzie Davis' crawl space
Maintain the leader position for 7 days
Create 10 new items using the combine tool
Buy a Snow Globe
Buy a Bigfoot Photo
Buy a Jukebox
End a day with Patrick Merman in a green mood
Buy a WWII Helmet
Reach the Number 1 Rank!
Auction 20 items for a profit
Unlock all locations in the game
Reduce your store inventory to one page anytime after the 20th day
Buy a Sun Clock
Collect 40 keys to unlock Unlimited Hidden Object Mode
Buy CJ Baxter's safe
Make a 300% profit in an auction
Buy and sell 20 items from the Hot Category
End a day with two or more characters liking you (in green)
Consult the Expert 20 times
Buy a Movie Projector
Change a character's mood to green in one transaction
Make a profit 5 days in a row
Buy an item at less than 75% of the asking price
Complete 5 unique hidden object scenes
Complete a hidden object scene in under a minute
Combine two items to create something new
Buy and sell an item from the Hot Category
Restore an item