I've seen business cards that have seeds embedded in the cardstock that the card was printed on. You basically just put the whole card in the ground and it'll grow flowers of some sort. The grain and color of that type of business card looks similar to that of the Flora of the World cards...
Sellers can open unpaid item cases after four days, then can close the case four days after that (assuming the buyer doesn't pay). There's not a "7 day payment policy", but technically there's an 8 day window during which you can pay for an item.
For the record, here's some eBay pages talking about paying for items:
Unpaid Item Policy
Appealing Unpaid Items
What to do when a buyer doesn't pay (unpaid item process)
The gist of it is that a seller can open an unpaid item case after exactly four days have passed but before 32 days have...
S&H charges are going to be $2.92 for first card, $0.53 for each additional, for USPS First Class. There's apparently going to be a certified/insured method available ( I think they mention UPS elsewhere on the site). "Available from 03/15/2010 at 12:00:01 a.m. ET to 03/01/2011 at 11:59:59...
I too had trouble registering. I got a white screen after doing the date of birth, but kept clicking in the address bar and hitting enter, and eventually it got to the next screen (username, email, password). Had a similar white screen, but again kept at it and eventually it went through.
I...