Its perfectly ok for people to log in from the same location or same computer :) We have loads and loads of members who have family members on the site.
As for visa electron, I'd need to check that for you, but when I used mine a few years ago the site did accept it.
I'll check for you and let you know for sure :)
My dad asked me what I wanted for christmas, and I suggested that I wanted a Premium Membership. My dad is also an active member. Said dad uses VISA Electron, do you accept that? Furthermore, we play on the same network. It said that a person should not create more than 1 account. Is it okay for family members to play on the same network, or does that raise too much suspicion?