No, you don't. PayPal supports guest checkout. Simply enter your billing address and credit card information to complete an order. You may optionally create a PayPal password for speeding up future orders.
Yes, Chinavasion is the preferred drop ship service provider of electronics and gadgets right from China. You focus on selling goods, and Chinavasion will take care of the rest.
No, in most countries importing is easy and you don't need to do anything. In small and medium sized orders the whole clearance process at customs is taken care of for you, by the courier or freight company. Chinavasion provides the necessary shipping documents.