Is extrabux.com Safe?

I had an account alongside my husband’s. He requested a payout which went through, but I received a message that since our “accounts are highly overlapping”, and “it has been verified by the system that the account didn't comply with the bonus rules”, the accumulated bonus and the cash back were cancelled. I tried to find out what exactly their “system” has determined as noncompliant, the response was vague and not relevant to my particular case. Bottom line is that instead of using alternative cash back services and actually getting the accumulated cash back, I am left with 0, defying the purpose of using a cash back service. Judging by the reviews below (recognizing that they are left by people in a similar situation, unhappy with the service), leaving customers without their legitimate cash back is the modus operandi of this service, hence my rating. I will send a copy of the email exchange with them to the DE BBB as well to see if the authorities could verify its advertising practices and legitimacy

Пересмотрел свое отношение к сервису после установки их плагина для браузера - с этого момента все покупки стали автоматически отображаться в личном кабинете extrabux и кэшбэк стал копиться, недавно вывел на MasterCard 11$. Ранее я писал: С пяти заказов из трех разных магазинов набралось около 70$ кэшбэка, однако уже пятый месяц они все в статусе "Pending and unconfirmed". Техподдержка пишет - ведем переговоры с магазинами, ждите еще. Зря время тратил на регистрацию и подтверждение заказов!