Debug and modify magento store

Hello i have a magento store which i had problem , i tried reloading the DB but it got stuck and now nothing works..i need someone whom will help me get the store back to work and also i need a few modifications: 1. customizing my account page for clients ( CSS design) + have only selted options 2. customize checkout success page with "keeping in touch ways 3. product count on front page 4. make css design for account and checkout pages 5. importing more products from another site i own Please give me your best price thanks