Create a new section for Wordpress Website

Entire job Description… Our website is Real Estate for customers to search for real estate properties that are for sale. Our website is Wordpress Platform with IDX pages wraps for real estate listings.. We are looking for Wordpress expert to create a another part to our website. What we need: 1. A section for Real Estate Agents to be able to have a “Separate Login” to create a “business profile Page”. This profile section has to allow the user to have their own “Business Profile Page” to be able to upload a business picture, business address, business phone, and also let them to have up to three Multiple links to their own website, and Social Media. 2. We are going to charge for the new business service. We need the payment page gateway with payment packages to be created for this section before they create their Business profile page.. 3. The last item we need all business profile to show up through out our website for customers to see all the different real estate professionals Profiles. We need this to be a new section, and all the new changes to be intergraded on our server with the current Wordpress website without any changes to the main website and needs to be tested to make sure final work is complete. Questions about our project: 1. What the best way to complete this project? 2. Please provide time saving ideas for the project. Final Requirements for our project: 1. Serious Programs only. 2. Will not pay upfront for work thats not completed yet. 3. We will be paying payment schedules once each part of work is completed.