I need Pay Per Click guidance and implementation from an expert.

Hi there,

I have begun getting conversions to my website and am very pleased but am overspending when it comes to PPC for Google Shopping which is where I am getting all of my conversions from. These costs for conversion are way above my profit margins and I need someone to look at about 15 products and optimise them for Google Shopping ads so I can consistently make profits.

I am selling branded products from a Wholesaler, I do not own the IP for these items and happy to take proposals from some of the best to help me make more profits over the long term. The margins are quite narrow. The items I sell have a healthy amount of traffic already and this is very much a volume business.

I would be looking for someone to optimise my existing ads and then set up remarketing for:
1. People who have visited the site (and didn't buy anything)
2. People who added stuff to their cart and didn't buy
3. People who bought