Milestone-1
-----------------
- New Server setup which includes: OS, Apache, PHP, Mysql, Magento and Emails
- Migrate current site in new server
- Test everything
- Make current site live in new server
Time: 4-5 Working Days
Cost: 500$
Advance: 30%
Milestone-2
-----------------
- Setup staging environment
- Upgrade current site magento version to 1.8 in staging environment
- Test all
- Put upgraded version live
Time: 8-10 Working Days
Cost: 500$
Advance: 30%
Milestone-3
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- Add a new store
- Install new theme in this store and make all design changes as per the client need
- Copy features, which you mentioned, in new store
- Test Everything
- Make this store live
Time: 18 Working Days
Cost: 500$
Advance: 30%
Regards,
Techinflo