Print Shop Website Completion

I have a website of the print shop [login to view URL] The website is built on WordPress using WooCommerce and Gravity Forms for price calculators. The website contains 50 products and several other pages (contact us, printing, embroidery, promotional, all products). The website is almost done. One products has to be worked on and.................. We have permalink issue. When we first built the website we used permalinks like this: [login to view URL] Let me explain this links to you in details: "[login to view URL]" is our domain then "print" is the name of the folder for the website because it is development server "folio" is portfolio slug used by the theme creator ([login to view URL]) "business-cards" the name of the portfolio page. We had this permalink structure, and there were no problems. However, the client asked to change portfolio slug from "folio" to "print", so the final link should has been like this: [login to view URL] When we changed the slug, we have got into an issue. Clean permalinks stop working at all. You need to do this: 1. Fix permalink issue. 2. Complete price calc and add more images for this product ([login to view URL]). For price calc you take info from here [login to view URL] Then you will create image of the T-Shirt for each color (you take image from [login to view URL] then delete background and put cropped image on new background). 3. If found any problems on other products, you need to fix it as well. Awaiting your bids...