I think they have some fee for keeping balance on the card.
source:
http://neteller.com/ab/learn/?about=debitcard
What are the fees for using my NETELLER ATM card?
<TABLE cellSpacing=1 cellPadding=5 width="75%" border=0><TBODY><TR class=Background3><TD align=middle>
USAGE TYPE</TD><TD align=middle>
Gold</TD><TD align=middle>
Blue</TD><TD align=middle>
Blue
INTERNATIONAL *</TD></TR><TR class=Background2><TD vAlign=center align=middle>ATM CARD DEPOSIT TO NETELLER ACCOUNT</TD><TD vAlign=center align=middle>FREE!</TD><TD vAlign=center align=middle>COMING SOON!</TD><TD vAlign=center align=middle>COMING SOON!</TD></TR><TR class=Background2><TD vAlign=center align=middle>NETELLER ACCOUNT WITHDRAWAL TO ATM CARD</TD><TD vAlign=center align=middle>$2.00</TD><TD vAlign=center align=middle>$2.00</TD><TD vAlign=center align=middle>$2.00</TD></TR><TR class=Background2><TD vAlign=center align=middle>ATM CASH ADVANCE</TD><TD vAlign=center align=middle>$1.50</TD><TD vAlign=center align=middle>$2.50</TD><TD vAlign=center align=middle>$2.93</TD></TR><TR class=Background2><TD vAlign=center align=middle>POS TERMINAL TRANSFER</TD><TD vAlign=center align=middle>$0.75</TD><TD vAlign=center align=middle>$1.75</TD><TD vAlign=center align=middle>$2.75</TD></TR><TR class=Background2><TD vAlign=center align=middle>DECLINED ATM/POS TRANSACTION</TD><TD vAlign=center align=middle>$1.00</TD><TD vAlign=center align=middle>$0.50</TD><TD vAlign=center align=middle>$3.83</TD></TR><TR class=Background2><TD vAlign=center align=middle>BALANCE INQUIRY</TD><TD vAlign=center align=middle>$1.00</TD><TD vAlign=center align=middle>$2.13</TD><TD vAlign=center align=middle>$2.13</TD></TR><TR class=Background2><TD vAlign=center align=middle>STATEMENT OF ACCOUNT</TD><TD vAlign=center align=middle>$1.50</TD><TD vAlign=center align=middle>$1.50</TD><TD vAlign=center align=middle>$1.50</TD></TR><TR class=Background2><TD vAlign=center align=middle>DORMANT CARD CHARGE</TD><TD vAlign=center align=middle>$5.00 **</TD><TD vAlign=center align=middle>$2.95 ***</TD><TD vAlign=center align=middle>$2.95 ***</TD></TR><TR class=Background2><TD vAlign=top align=left colSpan=4>* Includes clients traveling abroad.
** This charge occurs only if there is no activity on your card for 30 days while there is a balance on the card.
*** This charge occurs only if there is a balance on the card. The fee will be taken from the card for a maximum of 6 months or until there are no funds left on the card. </TD></TR></TBODY></TABLE>