Comprehensive Web Scraping Task

I need a skilled web scraper to extract a wide range of data from various websites. The data will include:

- Product information
- User reviews from various sites (not limited to Amazon, Yelp, or Google)
- Contact details

The final output should be organized and delivered in Excel format.

Ideal Skills and Experience:
- Proficiency in web scraping tools and techniques
- Experience with data extraction from multiple types of websites
- Strong attention to detail and data accuracy
- Ability to deliver data in Excel format

Please provide examples of previous work and estimated completion time.