8 Aldi Rules Pennsylvania Shoppers Get Wrong at the Register

Aldi checkout lines move fast, and first-timers often feel it.

Here’s how Pennsylvanians new to the process can avoid slip-ups at the register.

Note: This is general information, not tax or legal advice. Sales tax rates and municipal bag rules are subject to change.

1. Register’s Tax Split

A candy bar rings up tax-free at any Aldi register in Pennsylvania.

A bottle of flavored water two shelves over doesn’t get that same pass.

Even regulars miss it.

Pennsylvania’s tax code exempts most grocery staples along with candy and gum.

Soft drinks, sports drinks, and flavored water don’t get that same break.

The rate itself moves around too.

Pennsylvania’s 6% base rises to 7% in Allegheny County and 8% in Philadelphia, local taxes layered on top of the state rate.

Two shoppers with identical carts can walk out paying different totals, just because of which county’s Aldi they’re standing in.

2. Philadelphia’s Bag Rule

Philadelphia’s Aldi stores can’t hand over a plastic bag at checkout, not even a thin one for a single item.

City law banned single-use plastic bags at checkout back in 2021.

Only Philadelphia enforces it.

An updated ordinance added a minimum 10-cent charge on every paper or reusable bag a store hands out, a rule that took effect in January 2026.

A compliance check later that year found many stores still weren’t following it.

That’s on top of whatever Aldi already charges for its reusable bags.

Most of Pennsylvania never runs into that rule.

Everywhere else in the state, Aldi’s registers skip straight to the usual bag prices, since the city ordinance stops at Philadelphia’s border.

3. Cart Deposit

Every Aldi cart stays locked until a shopper feeds the slot a quarter.

Return the cart to a corral, and the quarter pops back out.

The coin comes back every time.

Just a deposit.

The system is core to Aldi’s low-price strategy, since it means no employee spends a shift chasing loose carts across the lot.

Skip the quarter, and the trouble follows the shopper straight to the register.

Aldi’s checkout leans on that same cart again at the belt, where it catches everything the cashier scans.

Without one, the shopper ends up bagging straight off the belt by hand while the next customer waits.

Many regulars keep a quarter clipped to a keychain for exactly this reason.

4. Bagging Your Order

Aldi cashiers never bag a single item.

No bagger, no exception.

Scanned groceries drop into a second cart below the belt, and the shopper wheels it to a separate counter to bag everything alone.

Who tells you that before you’re standing at checkout with an empty bag in hand?

Aldi also prints many of its barcodes oversized, or on more than one side of the package, so a cashier barely has to hunt for it.

That’s the trade-off for how fast the line moves.

A first-timer wheels up to checkout and starts bagging one item at a time before the cashier even finishes scanning, and the line backs up fast.

5. No Checks at Checkout

Cash, debit and credit cards, and contactless pay like Apple Pay and Google Pay all work at Aldi's registers.

Electronic Benefit Transfer (EBT) cards, Supplemental Nutrition Assistance Program (SNAP) benefits, and other state benefit cards work too.

One common form of payment never makes it through, though.

Personal checks are off the list, confirmed by AARP, the retiree advocacy group, on its list of retailers that dropped them altogether.

Shoppers who reach for a checkbook mid-transaction find out the hard way, holding up the next cart while a cashier explains the policy.

Bring plastic or cash instead.

6. No Card to Scan

Aldi skips the loyalty card altogether.

There's no rewards app to pull up, no phone number to recite, and no points ticking away on an account tied to the register.

That's on purpose.

Running a loyalty program costs money to build and maintain.

Aldi would rather put that money into lower shelf prices than a scan-to-save system, according to an analysis of the chain's no-frills model.

Shoppers get it wrong by asking the cashier to look one up anyway.

The search always comes up empty.

7. Self-Checkout Switch

Aldi decides self-checkout store by store instead of running it the same way everywhere.

Some Chicago-area Aldi stores had their self-checkout kiosks removed in 2025, and online shoppers guessed theft was the reason.

No two stores match.

Aldi confirmed the change to Supermarket News, denying that self-checkout was disappearing chain-wide even as it acknowledged pulling the kiosks from select stores.

That store-by-store call is the rule shoppers miss: A location can lose its kiosks without warning while a store minutes away keeps every one running.

A shopper used to scanning their order at one Aldi might find only staffed lanes the next time they visit.

8. One Return, Two Payouts

The Twice as Nice Guarantee is how Aldi backs an unhappy purchase.

Bring back the packaging and whatever's left of the product, and Aldi replaces the item and refunds the money, not one or the other.

Many shoppers expect a choice.

There isn't one, according to Aldi's guarantee page, which spells out both halves of the payout.