Data Feed Expert Needed! -Magento Shopping Cart

I need a Coder that knows what a Datafeed is and how to use it from a company to upload the products to my website, They know how to make it work with a magento based website. what i need: 1. Datafeed from company to upload products to my site and update daily when they do there updates 2. Pricing, need to take wholesale pricing and multiply it so the wholesale price will post as a retail price on the website. EX. wholesale $25 x 2.25%= $56.25 retail 3. Product sizes. Sizes must show up under the same product. so if product Z has a size Small -4x , when you look at product Z on website there is only one product with the attributes in a pull down menu for current sizes available (small-4x, and if size large sells out, with the next update, that size is not available on the pull down list). 4. Photos, depending on the data feed if photos are included in the datafeed those also must populate. and or if there is another datafeed from the company for photos only then those must populate 5. Work Must be done with a Expert Guarantee 6. I need the script and copies of all work done ## Deliverables Again please look over the list: 1. Datafeed from company to upload products to my site and update daily when they do there updates 2. Pricing, need to take wholesale pricing and multiply it so the wholesale price will post as a retail price on the website. EX. wholesale $25 x 2.25%= $56.25 retail 3. Product sizes. Sizes must show up under the same product. so if product Z has a size Small -4x , when you look at product Z on website there is only one product with the attributes in a pull down menu for current sizes available (small-4x, and if size large sells out, with the next update, that size is not available on the pull down list). 4. Photos, depending on the data feed if photos are included in the datafeed those also must populate. and or if there is another datafeed from the company for photos only then those must populate 5. Work Must be done with a Expert Guarantee 6. I need the script and copies of all work done