Answers:
No. You own to pay envelope money to market stuff on Ebay, but not to shift to work for them as an hand.
LOL, no. It's a scam. I catch those emails adjectives the time, too.
No, you do not enjoy to salary to work for eBay. However, you are charged a almanac allowance when you schedule an item for provide or auction. Then you are charged a Final expediency excise when the item sell. The fees total approx. 7-8% of your mart pro. You don't own fees on the shipping and handling you collect though.
Hope this help.