You need to REDESIGN all 100 sites. These are the requirement below!
1 You need REDESIGN.You need to make each site unique not to look similar to each others. Each site should be 100% SEO friendly and have SEO standard. Each sites look and feel differently from each others which is used by the same script. Each sites view should be totally different from each others such as different layouts, categories on different sides, different colors, different templates, different header images, domain names on each site header image
4 I need all sites to be finished within 60 days.