Edit an Existing WordPress Plugin or Create New for my Existing WordPress Website -- 2

YOUR BID PRICE IS FINAL. NO LATER CHANGE ALLOWED. You will get a $29 Plugin free from this project! I have a WordPress directory website where different users from anywhere in world can submit their business details. It is like Yelp/JustDial/Yellow Page. Users can either choose Free plan or Paid Plan. Currently, all my users are free plan users. Now I want a system/plugin where paid plan users can take bookings/appointments from their business listing page and they can accept p a yment using P a y P al. Salient features to be: 1. Users can take bookings directly from their business listing page in my site from the visitors. Visitors should be able to see slots from Google calendar or any free calendar. Users can update their calendars from their own dashboard of my site. 2. Visitors can see available slots and book accordingly. 3. Optionally, visitors can pay to book a service. 4. Website owner can take commission from each booking as a percentage and withdraw money in a p a y p a l account. 5. Only Paid plan users should be able to make use of this booking feature. 6. Zoom meeting option after visitors book an appointment. 7. Add SMS notification feature if the Team Booking plugin does not have it already by using WP SMS Plugin or something similar. [login to view URL] You need to develop in such a way that even after wordpress, theme and Team Booking as well as other plugin updates, it doesn't change. There should be no clash with other plugins or themes. You can create a new Plugin and customize an existing plugin like Team Booking. See: [login to view URL] Intellectual property belongs to me. You might need to sign freelancer NDA(non disclosure) and IP agreement. You need to develop/customize the plugin and set up in my site and make it up and running. Lowest bidder wins.