UK eBay & PaypalGeneral discussions about eBay.co.uk Suspensions and Paypal.co.uk limited accounts. This forum is geared towards UK eBay & Paypal sellers.
Both above statements are pretty much on the money.
Having an 'active' card gives the account a little credibility during a manual review as well.
But most importantly, there are some payments where you will need another funding source i.e. card for payment to go through. These are mainly with subscription based payments, but other than that it wont really hinder your use.