When doing an attic or a third-floor renovation, consider using a crane for the heavy materials. For about $500 a day, you can rent a small crane or lift. It can easily handle heavy materials like lumber and sheetrock, not to mention hot tubs. They can boom out about 42 feet, enough to get to the top floors of most homes.
For more on remodeling, consider:
Protect Your Home from Job Site Theft
4 Ways to Reduce Your Renovation Waste
Moving Appliances Without Damaging Floors (VIDEO)