I will provide you with Amazon FBA Wholesale services which contains the following.
NOTE: I can provide you services with free of cost as I have no experience right now but I am dedicated and  have great knowledge so you can question me about it.
There are six phases of this whole process:

1) Product Research: In this phase, I will search those products that are in high demand and less in competition. figure out the Keywords and their Search Volume. Furthermore, find out the Revenue, Ratings and Reviews of the competitors Product. also find out that whether the product is seasonal or not and how much budget is required. Following are the tools used in this phase:
· Helium10

· Jungle Scout

· Merchant Word

· Viral Launch

2) Sourcing & Logistics: After getting approval of the product, I will check the patent of the product and start finding almost 10 suppliers from Alibaba or any relevant market. 

3) Listing Creation: During the sourcing & logistics phase, I will make dummy listing in order to get ASIN code and get confirmation from Amazon. I use proper and relevant Keywords in Title and Description of listing and take proper picture of Product in order to make good and effective listing. 

4) Order Management & Customer Support: In this phase I will manage all the orders (Mainly FBM) and deliver to the respective customer/buyer. also I will be there for customer support.

5) Launching & Ranking: In this phase, I will launch the product/listing soon when the inventory has arrived at the Amazon warehouse, I will plan and create strategies to rank the product like PPC , Facebook Adds.

6) Advertisement on Amazon: In this phase, I will start PPC Campaign in order to create the sales velocity and Seller has to pay to Amazon on Pay Per Click on Advertisement. There are Manual and Auto PPC campaign. Firstly Auto PPC Campaign is implemented and then switched it to manual PPC campaign.