membercost.com
MemberCost.com is a high-risk survey site that promises a $750 Costco gift card, but it is not an official Costco website and should be avoided.
What does MemberCost.com offer?
MemberCost.com presents a five-step “Costco Fan Survey” for people who shop at Costco.
The questions ask how often you visit Costco, what you buy, how much you spend, and whether you want a gift card.
The final screen says users can get a $750 Costco gift card after completing all steps (MemberCost.com).
This reward is very large when compared with the simple questions on the page.
The site also says the program is only for Costco members, which may make the offer feel official.
However, its domain is MemberCost.com, not Costco.com.
That difference is the first major warning sign.
Is MemberCost.com connected to Costco?
There is no clear evidence that Costco owns, runs, or approves MemberCost.com.
The page uses Costco’s name, but the visible content does not identify a company behind the offer.
It also does not explain how the company works with Costco or where the gift cards come from.
Costco tells customers to avoid links in suspicious offers and never give those senders personal information.
Costco’s current scam list includes fake feedback questionnaires, surveys with exclusive offers, loyalty rewards, and gift-card redemption messages (Costco Customer Service).
These examples follow the same broad pattern seen on MemberCost.com: a familiar brand, a short survey, and a valuable reward.
Costco does not name MemberCost.com in the text of that warning, so the warning is supporting evidence rather than direct confirmation about this exact domain.
Why does the offer look unsafe?
The reward claim is much stronger than the information provided to support it.
A real promotion should show clear rules, eligibility limits, reward conditions, sponsor details, contact information, and a privacy policy before asking users to continue.
The searchable MemberCost.com page mainly shows survey questions and the promise of a $750 gift card.
It does not clearly explain what “complete all steps” means.
That wording can hide more work after the first survey, such as joining trials, downloading apps, buying services, or completing partner offers.
This type of funnel can earn referral money for its operator each time a visitor submits information or accepts an offer.
The operator may profit even when the visitor never receives the expected reward.
The Costco branding also creates borrowed trust because users may focus on the store name instead of checking who owns the website.
What do outside safety checks report?
ScamAdviser gives MemberCost.com a trust score of zero and labels it “very likely unsafe.”
Its report says the owner’s identity is hidden, the domain is young, and outside services have reported it for suspicious or phishing activity.
The report lists July 21, 2025, as the domain registration date, making it less than one year old at the time of this review.
It also confirms that the website has a valid security certificate, but a certificate only encrypts the connection and does not prove that an offer is honest (ScamAdviser).
Automated reputation scores can make mistakes, so one score should never be treated as final proof.
In this case, the low score matters because it appears beside several visible warning signs on the website itself.
Could you really receive the $750 gift card?
The public landing page does not provide enough proof to show that users receive the advertised gift card.
There is no visible list of winners, clear fulfillment process, named sponsor, or simple set of complete reward terms.
The phrase “complete all steps” is especially important because the first four steps are only basic questions.
A visitor may think the survey earns the reward, while later pages may add harder or costly conditions.
Even when an offer technically allows someone to qualify, complex rules can make the headline reward far less likely than the landing page suggests.
You should not spend money, begin a paid trial, install unknown software, or provide payment details to test the promise.
What should you do if you already used the site?
Close the page and stop following any links or partner offers.
If you only answered general shopping questions, the immediate risk is probably lower, but you should still watch for unusual advertising or redirects.
If you shared your email address or phone number, expect possible spam and avoid clicking new reward messages.
If you reused a password, change it anywhere that password is active and turn on two-factor authentication.
If you entered card details, check your statements for small charges and recurring subscriptions, then contact your card provider if anything looks wrong.
You can also report a brand-based scam to Costco and submit a fraud report to the relevant consumer protection agency in your country.
What is the final verdict on MemberCost.com?
MemberCost.com does not show the transparency needed for a trustworthy $750 reward program.
Its unrelated domain, unclear ownership, thin explanation, young age, poor safety rating, and similarity to scams described by Costco create too much risk.
The safest choice is to avoid MemberCost.com and check promotions directly through Costco’s official website or customer service.