HTTPS, a high review score, or a marketplace you already know can help. None of them proves the seller is trustworthy, that the goods exist, or that you'll get a refund.

For U.S. shoppers, the practical work happens before checkout: open the genuine site or app yourself, identify who is actually selling the item, add every fee to the displayed price, read delivery and return terms, and pay with a method whose dispute process you understand. Save the listing, confirmation, and policies as you go. If the order later fails, the outcome usually depends on the seller's policy, the marketplace terms, the payment provider's rules, and, for many U.S. orders, the FTC's merchandise-shipping rule. Those are separate tracks, not one combined guarantee.

Start from the real website or app

Scammers copy store names, logos, product photos, and checkout pages. Type the address, use a bookmark you created earlier, or open the official app. Don't follow a link in a message claiming your payment, delivery, or account needs urgent attention. Open the store separately and check the order there.

Look at the domain for misspellings, extra words, unusual endings, or substitutions such as a zero for the letter "o." On the page where you enter payment details, check that the connection is encrypted. The FTC's online shopping guidance recommends looking for encryption before you type card information.

Encryption only protects data while it travels between your device and the site. A padlock or https does not prove the business is genuine, that inventory is real, or that the seller will honor its promises. A legitimate-looking store should still provide usable contact information and clear shipping, return, and refund details. If the only contact option is a personal messaging account, or the seller won't identify who is taking your money, stop before checkout.

Check the seller and the actual product

A marketplace is not always the seller. Some operators help with payments, delivery, returns, or disputes. Others leave those issues to the buyer and seller. The FTC's guidance on buying from an online marketplace recommends checking the seller's contact information, description, photos, and review history before you pay.

On a marketplace listing, confirm:

• The seller's exact name and feedback history
• Whether the item is new, used, refurbished, handmade, or open-box
• Whether the photos show the actual item or only a stock image
• The model number, measurements, color, quantity, and included parts
• The seller's warranty or authenticity claims
• Where the order will ship from and whether another company fulfills it
• How you must contact the seller or marketplace if there is a problem

Buying from a retailer's own site still requires the same product check: condition, model, size, quantity, accessories, warranty, and estimated shipping time. That listing is the baseline you'll need if the item isn't what you ordered.

Luxury goods, collectibles, and high-value electronics without clear proof of condition or authenticity are higher-risk purchases. Ask questions through the platform's messaging system and keep the answers.

Reviews are evidence, not a guarantee. Check several sources. Notice who wrote each review, when it was posted, and whether it describes the product you're considering. Specific comments about fit, durability, battery life, packaging, delivery, or customer service beat repeated generic praise.

Be cautious when many reviews use nearly identical wording, appear in a short burst, or discuss a different product. A "verified purchase" label can help, but it doesn't prove the review is unbiased or that the product will meet your needs. The FTC also notes that some sites disclose incentives given to reviewers, while others may not.

Compare the real price and the deal terms

The lowest number on the page may not be the lowest final price. Add shipping and handling, taxes, delivery or appointment fees, customs or import charges on international orders, currency conversion costs, and any required accessories, minimum quantities, or service plans.

The FTC recommends comparison shopping with reputable sites and checking that full cost before you decide. Read the terms of an advertised deal, including whether you must buy extra products or accept another obligation to get the stated price.

A membership required for the discount, a recurring charge after a trial, a coupon limited to selected products, or a countdown clock pushing you past the fine print are all reasons to slow down. A price far below comparable offers, with no credible explanation, is a reason to leave and compare elsewhere. A low price isn't proof of a scam on its own. Urgency plus missing information is a better reason to walk away.

Read delivery, return, and refund policies while you can still walk away

Don't wait until a package is late to find out what the seller promised. Before paying, identify:

• The date the seller will ship and the estimated arrival date
• Whether the delivery date is guaranteed or only an estimate
• The return window and when that window begins
• Whether the product must be unused, unopened, or in original packaging
• Who pays return shipping
• Whether certain items are final sale
• Whether a restocking charge may apply
• How and when the refund is issued
• Whether the seller or the marketplace handles the return

Clothing sizes vary by brand, so use the measurement chart rather than the size you usually buy. For electronics, check compatibility, power requirements, included accessories, software support, and warranty coverage. Perishable food is a different problem: read the seller's freshness and replacement policy before you place the order.

International orders can add currency, customs, and return complications. Confirm who is responsible for import charges and whether you'd have to send a defective item across a border.

Save a copy or screenshot of the policy and the promised delivery date. A seller can change a webpage after you order. Your saved record can show what you saw at checkout.

The U.S. shipping rule is about shipment, not arrival

For U.S. orders covered by the FTC's Mail, Internet, or Telephone Order Merchandise Rule, a seller must ship within the time it promised. If it doesn't state a shipping time, the general deadline is 30 days after the seller receives the information needed to complete the order, including your name, address, and payment or permission to charge your account.

If the seller can't ship on time, the rule generally requires it to seek your consent to a delay or cancel the order and provide the refund required by the rule. The FTC's merchandise-order guidance describes the notice, delay, cancellation, and refund process.

That is a shipment clock, not a promise that every package will arrive within 30 days. Check whether the seller promised a ship date, an arrival date, or only an estimate. If the date passes, contact the seller through an official channel with the order number and promised date, ask for a firm revised date or a cancellation and refund, keep the reply, and escalate through the marketplace or payment provider before that provider's deadline expires.

Secure the account, then choose a payment method you can dispute

Use a unique password for each shopping account and turn on two-factor authentication where it's available. Keep your operating system, browser, and shopping apps updated. Never give a seller or a supposed support agent a one-time security code.

Pay from your own device on a connection you trust. Avoid entering card details on a public computer or an unsecured public network. If a message tells you to "verify" payment by entering your password, card number, or security code, close it and sign in through the official app or website instead.

Share only the information needed to complete the order. A seller that unexpectedly wants a copy of your identity document, full account credentials, or a payment code deserves separate verification before you provide anything.

No payment method guarantees a refund. What you can use later depends on the transaction, the seller, and the provider's current terms.

A credit card or a trusted wallet can be a reasonable choice when you understand how disputes work. Don't assume that paying through a wallet automatically gives you the same protection as a credit card, or that a credit card dispute will succeed because you changed your mind.

PayPal Purchase Protection

PayPal's protection is a company program, not a universal refund promise. It applies only to eligible transactions and specific problems, such as an item not arriving or being materially different from its description. Use PayPal's Resolution Center and keep the listing, messages, tracking, and photos.

The PayPal Purchase Protection terms state that a dispute must be opened within the applicable time limit. The terms list 180 days from the payment date and, for some issues, a shorter period such as 30 days from delivery or fulfillment, with the applicable deadline controlling. Check the current terms for your transaction instead of relying on an old forum post or a seller promise.

Which rule or policy actually controls the problem?

A marketplace guarantee, a PayPal claim, a credit card dispute, and a return request are not interchangeable.

Save records while they still exist

Screenshot the product page while it still shows the seller name, price, and condition. Keep the shipping, return, refund, and warranty terms, the order confirmation and order number, and the receipt that shows the payment method and total. Hold onto the promised shipping or arrival date, tracking updates, and seller or marketplace messages. If the item arrives damaged or incorrect, photograph the package, shipping label, and item before you discard the packaging.

Track orders from the retailer's order page or official app. A text message with a tracking link can be fake even when it uses the retailer's name. Check your card or bank account for the correct amount and any unexpected recurring charge.

Open packages promptly, especially expensive or fragile items. Photograph damage before discarding the packaging, and retain the box, labels, and packing materials until you're satisfied with the order.

Amazon, eBay, Walmart, Etsy, and other marketplaces

The brand on the homepage doesn't make every listing the same. Check whether the item is sold by the platform or by an independent seller. Read the seller's listing and the platform's current return and dispute terms for your country and transaction type. Pay through the platform's own checkout, keep messages inside the platform, and use the order page to contact support.

One order may be fulfilled by the platform; another may leave the seller responsible. Don't rely on a search result quoting an overseas policy or an old "buyer guarantee" summary. Open the current policy connected to your order.

Warning signs worth walking away from

Stop and verify the seller if several of these show up together:

• The domain is misspelled or doesn't match the advertised business.
• The price is far below comparable offers with no credible explanation.
• The seller creates pressure with a countdown, threat, or "limited stock" claim.
• The listing uses only stock photos for a supposedly used or unique item.
• The seller has no clear contact information.
• Reviews are repetitive, vague, or unrelated to the product.
• The seller asks you to pay by gift card, wire transfer, cryptocurrency, or an off-platform method.
• A supposed support agent asks for your password, one-time code, or full card details.
• The seller promises a refund but insists that you close an existing dispute first.

One warning sign can have an innocent explanation. Several together are a reason to leave and find another seller.

If the order is wrong, missing, or fraudulent

Stop sending more money. Don't pay a second "release," insurance, customs, or redelivery fee without independently verifying it. Save the listing, confirmation, receipts, messages, tracking, and photographs.

Contact the seller in writing. State what went wrong and the resolution you want. Open a marketplace case before its deadline and upload the evidence it asks for. Then contact the payment provider: ask a credit card issuer about its billing-dispute process, contact the bank promptly for a debit card, or use PayPal's Resolution Center and follow its time limits.

If account details may have been exposed, change a reused password, revoke suspicious access, and contact the issuer. Report the listing to the marketplace and submit a report to the FTC's fraud-reporting service.

Describe the transaction accurately. A purchase that arrived late or was disappointing is not automatically an unauthorized charge. The dispute category affects what evidence the provider requests and which terms apply.

Before the next purchase, write down the seller's name, the full checkout total, the promised shipping date, and the return deadline. Those four details take less than a minute and give you a starting point if the order doesn't match what you were shown.