These codes require you to enable testingcheats. These will unlock perks used in retail stores, so make sure you are actively using the sim(s) that own said retail store.

Effect	Code
Additional Employee #1	bucks.unlock_perk AdditionalWorker_1 true
Additional Employee #2	bucks.unlock_perk AdditionalWorker_2 true
Cheaper Restocking	bucks.unlock_perk DescreaseRestockingCost true
Curious Shopper	bucks.unlock_perk CustomerBrowseTime true
Faster Checkouts (large)	bucks.unlock_perk CheckoutSpeed_Large true
Faster Checkouts (small)	bucks.unlock_perk CheckoutSpeed_Small true
Faster Restocking (large)	bucks.unlock_perk RestockSpeed_Large true
Faster Restocking (small)	bucks.unlock_perk RestockSpeed_Small true
Instant Restocking	bucks.unlock_perk InstantRestock true
Mega Manager	bucks.unlock_perk ImproveManagementSocials true
Placard: Fobbs 500	bucks.unlock_perk StorePlacard_2 true
Placard: My First Simoleon	bucks.unlock_perk StorePlacard_1 true
Provocative Pedestal	bucks.unlock_perk PedestalMimic true
Register of Tomorrow	bucks.unlock_perk RegisterMimic true
Serious Shopper	bucks.unlock_perk CustomerPurchaseIntent true
Slick Salesman	bucks.unlock_perk ImproveRetailSocials true
Snazzy Shirt	bucks.unlock_perk RetailOutfit true
Stunning Sign	bucks.unlock_perk SignageMimic true
Superfluous Surplus	bucks.unlock_perk DecreaseRestocking_Temporary true
Sure Sale	bucks.unlock_perk SureSaleSocial true