Bad domaintools

[bloom2008]

I signed up for the FREE 3-day trial Professional Membership - why was my credit card charged?

Solution
As noted in the setup process for the 3-day Free Professional Trial Membership, you must cancel prior to the end of the 3-day period to withdraw yourself from being automatically enrolled as a monthly Professional Member.
ATTENTION: The 3-Day Free Professional Trial Membership may require recurring billing cycles.

By completing the setup process for a 3-day Free Professional Trial I understand that:
My account will be automatically billed $49.95 on a monthly renewal date should I choose not to cancel before the 3-day trial period.
I am responsible for canceling automatic charges by logging into my account and disabling this trial.
If you forgot to cancel your trial membership, you may submit a ticket to our Client Services Team at [email protected] with your name and membership information and request that your membership be canceled in the next billing cycle. Due to the terms and conditions of the trial, we are unable to issue refunds for the first month of the membership.

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is this a trap?

 

[GiftedDomains]

No trap.
You have to READ on what you click

Your new account has been upgraded to our Professional Membership (FREE Trial) Enjoy the benefits of powerful research intelligence for FREE. Cancel your membership within three business days and pay absolutely nothing! If you decide to retain your membership, you don't have to do a thing! We'll initiate billing at our standard Professional Membership price of $49.95/mo.

This is right at the beginning when you apply for the 3 day trial.

So your fault

Of course they could add a sentence like "If you don't want to be billed, you MUST cancel the membership within three business days"

Also why did you wrote down your CREDIT CARD data? You should know that this is mostly required when you are going to pay something. Free things don't require creditcards

Anyway, now use the first month extensively and CANCEL for the next month.
You pay 45$, use their tools, and learned a lesson