Amazon Listing Updates & Creation

I need to refresh my Amazon catalogue so every SKU is fully aligned with current best-practice SEO and presentation standards. Here is what has to be accomplished: • Update roughly 370 live listings in Seller Central, making only textual edits to the titles, bullet points and descriptions... (Budget: £10 - £15 GBP, Jobs: Amazon, Content Writing, Copywriting, Data Entry, Digital Marketing, Market Research, Product Photography, SEO)